News tagged with martian

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Life on Mars theory boosted by new methane study

Dec 08, 2009 | 4.9 / 5 (28) | 11

Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...

NASA to Begin Attempts to Free Sand-Trapped Mars Rover

Space & Earth / Space Exploration

Nov 12, 2009 | 5 / 5 (6) | 0

(PhysOrg.com) -- NASA will begin transmitting commands to its Mars exploration rover Spirit on Monday as part of an escape plan to free the venerable robot from its Martian sand trap.

The Meandering Channels of Mars

Space & Earth / Space Exploration

Dec 10, 2009 | 4 / 5 (5) | 5

Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.

Gullies and Flow Features on Crater Wall

Space & Earth / Space Exploration

Nov 26, 2009 | 4.5 / 5 (2) | 0

(PhysOrg.com) -- This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur ...

Distal Rampart of Crater in Chryse Planitia

Space & Earth / Space Exploration

Nov 13, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- Impact craters on Mars are kind of neat. Many of them look very different than impact craters seen on Earth's moon or Mercury. Fresh lunar and Mercurian craters have ejecta blankets that look ...