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This image, released August 14, 2008 and taken by NASA's Phoenix ...

(Reuters) — Thu, 14 Aug 2008 21:13:00 GMT

(Reuters) - This image, released August 14, 2008 and taken by NASA's Phoenix Mars Lander's Surface Stereo Imager on June 12, 2008, shows the Lander's Robotic Arm scoop after delivering the first sample of dug-up soil to Phoenix's Microscopy, Electrochemistry and Conductivity Analyzer, or MECA, instrument suite. The Lander has sent back the first-ever image of a speck of red Martian dust taken through an atomic force microscope REUTERS/Image NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

Particles of Martian dust lying on NASA's Phoenix Lander's Optical ...

(Reuters) — Thu, 14 Aug 2008 20:07:00 GMT

(Reuters) - Particles of Martian dust lying on NASA's Phoenix Lander's Optical Microscope's silicon substrate are seen in this photo released by NASA to Reuters August 14, 2008. A 3D 200x representation of the same sample is on the right, as seen by Phoenix's Atomic Force Microscope, and is the most highly magnified image ever seen from another world. REUTERS/NASA/JPL-Caltech/University of Arizona/University of Neuchatel/Imperial College London/Handout

Particles of Martian dust imaged by NASA's Phoenix Lander's ...

(Reuters) — Thu, 14 Aug 2008 18:57:00 GMT

(Reuters) - Particles of Martian dust imaged by NASA's Phoenix Lander's Atomic Force Microscope in 3D and seen at 200x magnification are shown in this image released by NASA to Reuters August 14, 2008. Red areas represent the highest areas, and purple areas the lowest. The particles measure one micrometer, or one millionth of a meter across and are highest magnification ever seen from another world. REUTERS/NASA/JPL-Caltech/University of Arizona/University of Neuchatel/Imperial College London/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image provided by NASA shows a scraped area known as 'Snow ...

(The Canadian Press) — Tue, 05 Aug 2008 22:14:00 GMT

(The Canadian Press) - This image provided by NASA shows a scraped area known as 'Snow White,' on July 8, 2008 on Mars. THE ASSOCIATED PRESS/NASA

This undated image provided by NASA shows the Phoenix spacecraft's ...

(The Canadian Press) — Tue, 05 Aug 2008 01:09:00 GMT

(The Canadian Press) - This undated image provided by NASA shows the Phoenix spacecraft's inverted scoop preparing to take soil samples on Mars. THE ASSOCIATED PRESS/NASA

This image provided by NASA shows the full-circle panoramic ...

(The Canadian Press) — Mon, 04 Aug 2008 23:46:00 GMT

(The Canadian Press) - This image provided by NASA shows the full-circle panoramic view of the Phoenix Mars Lander taken during the first several weeks after NASA's Phoenix Mars Lander arrived on an arctic plain on Mars in late May. THE ASSOCIATED PRESS/NASA

A full circle panoramic view of Mars taken by NASA's Phoenix ...

(Reuters) — Thu, 31 Jul 2008 20:44:00 GMT

(Reuters) - A full circle panoramic view of Mars taken by NASA's Phoenix Mars Lander is shown in this undated handout photo released to Reuters July 31, 2008. NASA scientists said on Thursday they had definitive proof that water exists on Mars after further tests on ice found on the planet in June by the Phoenix Mars Lander. REUTERS/NASA/JPL-Caltech/University Arizona/Texas A&M University/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

A 360 degree panoramic view of Mars taken by NASA's Phoenix ...

(Reuters) — Thu, 31 Jul 2008 20:43:00 GMT

(Reuters) - A 360 degree panoramic view of Mars taken by NASA's Phoenix Mars Lander is shown in this undated handout photo released to Reuters July 31, 2008. NASA scientists said on Thursday they had definitive proof that water exists on Mars after further tests on ice found on the planet in June by the Phoenix Mars Lander. REUTERS/NASA/JPL-Caltech/University Arizona/Texas A&M University/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image taken July 15, 2008 by the Surface Stereo Imager ...

(Reuters) — Wed, 16 Jul 2008 20:37:00 GMT

(Reuters) - This image taken July 15, 2008 by the Surface Stereo Imager on NASA's Phoenix Mars Lander and released by NASA July 16 shows two holes at the top created by the lander's Robotic Arm's motorized rasp tool. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

The High-Resolution Stereo Camera (HRSC) on board ESA's Mars ...

(Reuters) — Tue, 15 Jul 2008 08:09:00 GMT

(Reuters) - The High-Resolution Stereo Camera (HRSC) on board ESA's Mars Express has returned images of Echus Chasma, one of the largest water source regions on the Red Planet. Echus Chasma is the source region of Kasei Valles which extends 3,000 km to the north. The image was made available on July 14, 2008. REUTERS/ESA/DLR/FU Berlin/G.Neukum/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

A cliff, up to 4,000 m high, located in the eastern part of ...

(Reuters) — Tue, 15 Jul 2008 02:05:00 GMT

(Reuters) - A cliff, up to 4,000 m high, located in the eastern part of Echus Chasma, one of the largest water source regions on Mars, is seen in this image taken by the High-Resolution Stereo Camera (HRSC) on board ESA's Mars Express and made available July 14, 2008. Echus Chasma is the source region of Kasei Valles which extends 3,000 km to the north. The dark regions REUTERS/ESA/DLR/FU Berlin/G.Neukum/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

A view of Echus Chasma, one of the largest water source regions ...

(Reuters) — Tue, 15 Jul 2008 02:01:00 GMT

(Reuters) - A view of Echus Chasma, one of the largest water source regions on Mars, showing a network of light-coloured, incised valleys, from images taken by the High-Resolution Stereo Camera (HRSC) on board ESA's Mars Express and made available July 14, 2008. Echus Chasma is the source region of Kasei Valles which extends 3,000 km to the north. The dark regions REUTERS/ESA/DLR/FU Berlin/G.Neukum/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image acquired by NASA's Phoenix Mars Lander's Robotic ...

(Reuters) — Wed, 02 Jul 2008 20:11:00 GMT

(Reuters) - This image acquired by NASA's Phoenix Mars Lander's Robotic Arm Camera on June 29, 2008 and released by NASA July 2, shows the trench informally called 'Snow White 5.' The trench is 4-to-5 centimeters (about 1.5-to-1.9 inches) deep, 24 centimeters (about 9 inches) wide and 33 centimeters (13 inches) long. Snow White 5 is Phoenix's current active digging area after additional trenching, grooming, and scraping by Phoenix's Robotic Arm in the last few days to trenches informally called Snow White 1, 2, 3, and 4. Near the top center of the image is the Robotic Arm's Thermal and Electrical Conductivity Probe. REUTERS/NASA/JPL-Caltech/University of Arizona/Max Planck Institute/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image from NASA's Phoenix Mars Lander's Surface Stereo ...

(Reuters) — Fri, 27 Jun 2008 23:38:00 GMT

(Reuters) - This image from NASA's Phoenix Mars Lander's Surface Stereo Imager taken on June 26, 2008 and released by NASA June 27, 2008 shows the trenches informally called 'Snow White 1' (L), 'Snow White 2' (R), and within the Snow White 2 trench, the smaller scraping area called 'Snow White 3.' The Snow White 3 scraped area is about 5 centimeters (2 inches) deep. The Snow White trenches and scraping prove that scientists can take surface soil samples, subsurface soil samples, and icy samples all from one unit. Scientists want to test samples to determine if some ice in the soil may have been liquid in the past during warmer climate cycles. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image taken by the Surface Stereo Imager on NASA's Phoenix ...

(Reuters) — Thu, 26 Jun 2008 19:05:00 GMT

(Reuters) - This image taken by the Surface Stereo Imager on NASA's Phoenix Mars Lander shows the lander's Robotic Arm scoop positioned over the Wet Chemistry Lab delivery funnel on June 24, 2008. The image was released by NASA June 25, 2008. This image has been enhanced to brighten the scene. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image shows a microscopic view of fine-grained material ...

(Reuters) — Thu, 26 Jun 2008 19:03:00 GMT

(Reuters) - This image shows a microscopic view of fine-grained material at the tip of the Robotic Arm scoop aboard NASA's Phoenix Mars Lander on June 20, 2008. The image, released by NASA on June 26, 2008 shows small clumps of fine, fluffy, red soil particles. REUTERS/ASA/JPL-Caltech/University of Arizona/Texas A&M/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

An artistic representation, created from simulations, of the ...

(Reuters) — Thu, 26 Jun 2008 01:45:00 GMT

(Reuters) - An artistic representation, created from simulations, of the impact that gouged out a hole 5,200 miles (8,500km) across and 6,500 miles (10,600km) long in Mars. The giant crater made by an asteroid or comet explains why Mars is so lopsided, with a basin on one hemisphere and high terrain on the other, three separate teams of scientists said on June 25, 2008. REUTERS/Nature/Jeff Andrews-Hanna/Handout (UNITED STATES). NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

Martian ice melts in this combination photo taken by NASA's ...

(Reuters) — Fri, 20 Jun 2008 20:01:00 GMT

(Reuters) - Martian ice melts in this combination photo taken by NASA's Phoenix Mars Lander's Surface Stereo Imager on June 15 and 18, 2008, in this handout image released by NASA June 20, 2008. A trench dug by Phoenix with its robotic arm at the arctic circle of Mars shows dice-sized chunks of white material (inset boxes) that are seen to melt away over the course of several days. The presence of water on Mars is crucial because it is a key to the question of whether life, even in the form of mere microbes, exists or has ever existed on Mars. On Earth, water is a necessary ingredient for life. REUTERS/ NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES)

The Robotic Arm on NASA's Phoenix Mars Lander carries a scoop ...

(Reuters) — Fri, 20 Jun 2008 15:05:00 GMT

(Reuters) - The Robotic Arm on NASA's Phoenix Mars Lander carries a scoop of Martian soil bound for the spacecraft's microscope in handout photo released on June 13, 2008. REUTERS/NASA/JPL-Caltech/University of Arizona/Handout

The Robotic Arm on NASA's Phoenix Mars Lander carries a scoop ...

(Reuters) — Sat, 14 Jun 2008 15:55:00 GMT

(Reuters) - The Robotic Arm on NASA's Phoenix Mars Lander carries a scoop of Martian soil bound for the spacecraft's microscope in handout photo released on June 13, 2008. In the past two days, two instruments on the lander deck -- a microscope and a bake-and-sniff analyzer -- have begun inspecting soil samples delivered by the scoop on Phoenix's Robotic Arm. REUTERS/NASA/JPL-Caltech/University of Arizona/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

The optical microscope on NASA's Phoenix Mars Lander shows soil ...

(Reuters) — Sat, 14 Jun 2008 08:42:00 GMT

(Reuters) - The optical microscope on NASA's Phoenix Mars Lander shows soil sprinkled from the lander's robot arm scoop onto a silicone substrate in this handout image released on June 13, 2008. This is the first sample collected and delivered for instrumental analysis onboard a planetary lander since NASA's Viking Mars missions of the 1970s. The microscope took this image (the highest resolution image yet seen of Martian soil) during Phoenix's Sol 17 (June 11), or the 13th Martian day after landing. The scale bar (bottom L) is 1 millimeter (0.04 inch). REUTERS/NASA/JPL-Caltech/University of Arizona/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

The Robotic Arm on NASA's Phoenix Mars Lander is shown as it ...

(Reuters) — Thu, 12 Jun 2008 23:39:00 GMT

(Reuters) - The Robotic Arm on NASA's Phoenix Mars Lander is shown as it delivers the first sample of dug-up soil to the spacecraft's microscope station in this image taken by the Surface Stereo Imager during the mission's Sol 17 (June 12), or 17th Martian day after landing, in this photograph released by NASA June 12, 2008. The scoop is positioned above the box containing key parts of Phoenix's Microscopy, Electrochemistry and Conductivity Analyzer, or MECA, instrument suite. It has sprinkled a small amount of soil into a notch in the MECA box where the microscope's sample wheel is exposed. The scoop is about 8.5 cm (3.3 inches) wide. The top of the MECA box is 20 cm(7.9 inches) wide. This image has been lightened to make details more visible. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M/Handout. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

NASA's Phoenix Mars Lander's Surface Stereo Imager shows two ...

(Reuters) — Wed, 11 Jun 2008 21:07:00 GMT

(Reuters) - NASA's Phoenix Mars Lander's Surface Stereo Imager shows two trenches dug by Phoenix's Robotic Arm in this image taken June 8, 2008, the 14th Martian day after landing. Soil from the right trench, informally called 'Baby Bear,' was delivered to Phoenix's Thermal and Evolved-Gas Analyzer, or TEGA, on June 6, 2008. Picture taken June 8, 2008. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

A sample of Martian soil is shown in this handout image taken ...

(Reuters) — Mon, 09 Jun 2008 23:35:00 GMT

(Reuters) - A sample of Martian soil is shown in this handout image taken by NASA's Phoenix Mars Lander on June 8, 2008 and released to Reuters June 9, 2008. NASA scientists struggled on Monday to process the soil that the Phoenix Mars Lander scooped from the Red Planet's surface, finding that the Martian dirt was too clumpy to sift into the spacecraft's onboard laboratory REUTERS/NASA/JPL-Caltech/University of Arizona/Max Planck Institute/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image shows a view from NASA's Phoenix Mars Lander's Stereo ...

(Reuters) — Mon, 09 Jun 2008 21:49:00 GMT

(Reuters) - This image shows a view from NASA's Phoenix Mars Lander's Stereo Surface Imager's left eye after a delivery of soil to the Thermal and Evolved-Gas Analyzer (TEGA), taken on the 12th Martian day after landing (Sol 12), on June 6, 2008. NASA scientists struggled on Monday June 9, 2008 to process the soil that the Lander scooped from the Red Planet's surface, finding that the Martian dirt was too clumpy to sift into the spacecraft's onboard laboratory. Picture taken June 6, 2008. REUTERS/NASA/JPL-Caltech/University of Arizona/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image released by NASA June 6, 2008 and taken by NASA's ...

(Reuters) — Fri, 06 Jun 2008 21:25:00 GMT

(Reuters) - This image released by NASA June 6, 2008 and taken by NASA's Phoenix Mars Lander's Surface Stereo Imager on June 5, 2008 shows the trenches dug by Phoenix's Robotic Arm. The trench on the left is informally called 'Dodo' and was dug as a test. The trench on the right is informally called 'Baby Bear.' The sample dug from Baby Bear will be delivered to the Phoenix's Thermal and Evolved-Gas Analyzer, or TEGA. The Baby Bear trench is 9 centimeters (3.1 inches) wide and 4 centimeters (1.6 inches) deep. REUTERS/NASA/JPL-Caltech/University of Arizona/Handout (UNITED STATES) BLACK AND WHITE ONLY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image released by NASA June 6, 2008 was taken by NASA's ...

(Reuters) — Fri, 06 Jun 2008 20:02:00 GMT

(Reuters) - This image released by NASA June 6, 2008 was taken by NASA's Phoenix Mars Lander's Surface Stereo Imager on Sol 11 (June 5, 2008), the eleventh day after landing. It shows the Robotic Arm scoop containing a soil sample poised over the partially open door of the Thermal and Evolved-Gas Analyzer's number four cell, or oven. Light-colored clods of material visible toward the scoop's lower edge may be part of the crusted surface material seen previously near the foot of the lander. REUTERS/NASA/JPL-Caltech/University of Arizona/Handout (UNITED STATES) BLACK AND WHITE ONLY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This mosaic of four side-by-side microscope images (one a color ...

(Reuters) — Thu, 05 Jun 2008 22:26:00 GMT

(Reuters) - This mosaic of four side-by-side microscope images (one a color composite), acquired by the optical microscope on NASA's Phoenix Mars Lander and taken June 3, 2008, shows a 3-millimeter (0.12 inch) diameter silicone target after it has been exposed to dust kicked up by the landing. The Phoenix lander has returned the highest-resolution pictures ever taken of dust and sand on the surface of another planet as it prepares for its primary mission of searching for signs of life on Mars, NASA scientists said on June 5, 2008. REUTERS/NASA/JPL-Caltech/University of Arizona/handout (UNITED STATES). NO SALES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image taken by NASA's Phoenix Mars Lander, released by ...

(Reuters) — Wed, 04 Jun 2008 18:44:00 GMT

(Reuters) - This image taken by NASA's Phoenix Mars Lander, released by NASA June 4, 2008, shows the scene after the Robotic Arm on the Phoenix Mars Lander took a second scoop full of soil and revealed whitish material at the bottom of the dig area. Scientists are debating whether this is a salt layer or the top of an ice table. REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES)

This image was acquired by NASA's Phoenix Mars Lander's Surface ...

(Reuters) — Wed, 04 Jun 2008 00:38:00 GMT

(Reuters) - This image was acquired by NASA's Phoenix Mars Lander's Surface Stereo Imager on the seventh day of the mission June 1, 2008 and released June 3 by NASA. The image shows an area to the west of the digging site informally known as 'Knave of Hearts.' REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.

This image from NASA's Phoenix Mars Lander's Robotic Arm Camera ...

(Reuters) — Mon, 02 Jun 2008 23:17:00 GMT

(Reuters) - This image from NASA's Phoenix Mars Lander's Robotic Arm Camera (RAC) shows material from the Martian surface captured by the Robotic Arm (RA) scoop during its first test dig and dump on the seventh Martian day of the mission June 1, 2008 and released by NASA June 2. The test sample shown was taken from the digging area informally known as 'Knave of Hearts.' Scientists speculate that the white patches on the right side of the image could possibly be ice or salts that precipitated into the soil. The color for this image was acquired by illuminating the RA scoop with a set of red, green, and blue light-emitting diodes (LEDs). REUTERS/NASA/JPL-Caltech/University of Arizona/Texas A&M University/Handout (UNITED STATES). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.