Mars Meteorite Yamato 000593 Tunnels
This scanning electron microscope image of a polished thin section of a meteorite from Mars shows tunnels and curved microtunnels - a feature similar to ones on Earth caused by microorganisms. The clay mineral iddingsite is present in this meteorite, named Yamato 000593, which was found in Antarctica in 2000 and identified as originating from Mars. The scale bar at lower left is 2 microns. [Read the Full Story Here]
Mars Meteorite Yamato 000593 Spheres
This scanning electron microscope image shows spheroidal features in a layer of iddingsite, a mineral formed by action of water, in the meteorite Yamato 000593 that came from Mars. An area with the spheres, circled in red, was found to have about twice as much carbon present as an area (circled in blue) without the spheres. [Read the Full Story Here]
'Cumberland' Target Drilled by Curiosity
NASA's Mars rover Curiosity drilled a circular hole into this rock target, "Cumberland," on May 19, 2013. [Read Curiosity Rover Finds Methane on Mars: What It Could Mean for Life.]
Possible Methane Sources and Sinks
This diagram depicts potential means by which methane might incorporate into Mars' atmosphere (sources) and disappear from the atmosphere (sinks). Image released Dec. 16, 2014. [Read Curiosity Rover Finds Methane on Mars: What It Could Mean for Life.]
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