NASA picks three potential drill sites for Mars 2020
All three could have supported life in ancient Mars.
NASA really isn't sure why ancient Mars was wet
Curiosity rover data leaves scientists uncertain of how Martian lakes could have existed.
Mars' liquid water may have had an atmospheric 'escape route'
Warmer seasons help hydrogen escape into space at a much quicker rate than usual.
Bill Nye and Buzz Aldrin do a little turn on the catwalk
Yeah, on the catwalk.
Scientists prove that microbes could survive on Mars
A group of microorganisms called methanogens survived harsh Mars-like conditions in the lab.
NASA's Curiosity finds new water evidence in possible cracked mud
If true, it'll be the first mud confirmed by the rover.
Donut-shaped ice shelters could shield astronauts on Mars
The innertube-like inflatable shelter is a lightweight design concept.
NASA's Martian tech is helping hospitals eliminate bedsores
The SEM Scanner can detect deadly pressure ulcers 10 days before they reach the skin's surface.
Climate change could explain Mars' imposing topography
Atmospheric CO2 may have thawed glaciers and created a lake in Gale Crater.