If alien life exists below the surface of Mars, it might very well have a thing or two in common with these populations.
The rover shut down science activities a few days ago.
Short answer: a time machine
Can you drive the rover, or will you break it?
It's caught in a storm that now covers a quarter of the planet, and is still growing.
Can you hear Mars now?
The rover took the shot, but never had the chance to send it back to earth.
The little rover that could.
There's a good reason NASA hasn't said they've found life on Mars—it's beyond their current capabilities.
Just a pale blue dot.
Bringing snark to Mars
Not even space robots are immune to the effects of old age
Plus baby wolves
The longest-running surface mission laid the groundwork for some big things ahead.
If you can make it here, you'll make it anywhere
Autonomous science-bots will make it easier to explore our solar system … and beyond.
Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.
Interplanetary dune buggy
The Force is strong with this rover
Mars500 crew members, in their own words
We think you can, Opportunity.
One small flight for drones
BILI is like radar for biomolecules
European Space Agency's long-awaited astrobiology project is set to take off