Dark seasonal streaks on slopes near the Martian equator may be a sign of flowing salt water on Mars, liquid runoff that melts and evaporates during the planet's warmer months.
The site where NASA’s Mars rover Curiosity landed last year contains at least one lake that would have been perfectly suited for colonies of simple, rock-eating microbes found in caves and hydrothermal vents on Earth.
Explore the strangely fascinating phenomenon of robots snapping self portraits while doing cutting-edge science in space!
It's hard being a robot exploring another world, as NASA's Mars Science Laboratory has proven this month.
A piece of rock found its way all the way from Mars to a desert in northwest Africa. And now it has the potential to tell us all kinds of things about the Red Planet. Trace explains what this one rock might help scientists uncover.
Enjoy some of the most inspiring, beautiful and down-right stunning photos from our adventures in space this past week.
Rover engineers are troubleshooting a power glitch that came to light on Sunday -- as a precaution, all science operations have been suspended. Continue reading →
A nonprofit space exploration group revealed today exactly how it plans to launch two married astronauts on an ambitious manned flyby mission to the Red Planet by early 2018 -- involving NASA and federal funding.
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