The longest-running surface mission laid the groundwork for some big things ahead.
And now we know exactly where it's going to poke around.
InSight will tell us about the planet's interior, but it's got to stick the landing first.
By studying Martian meteorites, scientists think they've found an explanation for ancient eruptions on the Red Planet.
There's a good reason NASA hasn't said they've found life on Mars—it's beyond their current capabilities.
InSight is blasting off this week.
A newly-investigated essay from 1939 reveals Churchill's thoughts on E.T.
Look out, Elon Musk
Finally, a good use for climate change
Must-see destinations out beyond Mars
NASA has a grand new simulation
And it wouldn't actually be that expensive, thanks to robots, 3D printing, and SpaceX
Potential evidence of tiny, ancient Martians
Made in the USA
Interplanetary dune buggy
NASA is taking suggestions this week
Protecting future Mars payloads from fiery blasts
Almost as good as the book
A look at the spacecraft's first year studying the Martian atmosphere
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.
A Gallery Of Photos Curated By The Person Who Made Most Of Them
The Dawn spacecraft could change the shape and scope of future missions
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
Human hibernation could be a great way to get to Mars (and beyond), but a few big questions remain.