There's a good reason NASA hasn't said they've found life on Mars—it's beyond their current capabilities.
One small flight for drones
Ready, set, go.
They're a potential source of food, air, clothing, and more. But will they survive the journey, and can we avoid contaminating the red planet?
Finally, a good use for climate change
Space is hard, and Mars is even harder
The journey to Mars, told in GIFs
Orbiting laboratory could pave the way for a landing party
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
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
NASA is taking suggestions this week
Unfortunately, NASA doesn't have a good game plan
A look at the spacecraft's first year studying the Martian atmosphere
Astrobiologist wants to make sure the red planet is independent from the start
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
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.
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
Lost on the Red Planet? Ask Dr. Fred Calef III
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
But CEO Bas Lansdorp says the study used bad data.
Mars One has begun accepting video applications for a mission to colonize the red planet in 2023.