The mystery of Martian farts won't be solved overnight.
Every little bit counts.
If alien life exists below the surface of Mars, it might very well have a thing or two in common with these populations.
His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
Oxygen-breathing critters might be more plausible than we thought.
Researchers are testing how life on the International Space Station affects the microbiome.
Mars is at its closest and clearest right now. You know you want to look at it.
There's a good reason NASA hasn't said they've found life on Mars—it's beyond their current capabilities.
But that's not too weird for the red planet.
It's caught in a storm that now covers a quarter of the planet, and is still growing.
Sorry, no aliens—yet.
Ready, set, go.
Just a pale blue dot.
Here's what it would take to survive this particular doomsday prophecy
Short answer: a time machine
The answer was blowing in the solar wind.
A quick primer on Martian law
A deep-dive on whether we can handle the implications of such a discovery
Findings from the MAVEN spacecraft suggest solar eruptions helped to destroy Mars' atmosphere
Bringing snark to Mars
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science