Natural medicines, made to order in space
They're launching to the International Space Station next week
See the world anew, through the eyes of a long-term space traveler
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
NASA's new deputy director explains her plans to send astronauts to Mars by 2030
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.
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?
In memory of "the last moonwalker"
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
The journey to Mars, told in GIFs
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
Now let's see if he can make it reality
Unfortunately, NASA doesn't have a good game plan
A deep-dive on whether we can handle the implications of such a discovery
Looking for life in weird places
There's a good reason NASA hasn't said they've found life on Mars—it's beyond their current capabilities.
Space is beautiful
Don't pack your bags yet
Mysterious substance may form hairs that are hundreds of thousands of miles long
A watched pot never boils. But Mars might.
If you want to go to Mars, fly American
Hang in there, sleeping beauty.
Except it's multi-million dollar instruments instead of plush toys.