The mystery of Martian farts won't be solved overnight.
The longest-running surface mission laid the groundwork for some big things ahead.
The little rover that could.
You've likely outlived the company that wanted to film you dying on Mars.
A rover of her own.
The window of Opportunity is closing.
It's not actually dark and it's definitely not red.
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.
Oxygen-breathing critters might be more plausible than we thought.
It's having memory issues.
Here are some highlights from its journey
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.
The rover shut down science activities a few days ago.
Sorry, no aliens—yet.
One small flight for drones
InSight is blasting off this week.
We think you can, Opportunity.
Some science grinds to a halt when the government shuts down.
Small, but mighty.
Which one will win? We'll find out in 2019.
Here's why that's important for mission scientists here on Earth.
Ready, set, go.
We're getting closer.
Terrestrial life is a huge risk for other planets
Just a pale blue dot.
Autonomous science-bots will make it easier to explore our solar system … and beyond.
It was warm and wet right around the time life got its start on Earth.
A gallery of photos, visualizations, and other pictures of outer space.
Heat and drills will help us probe for alien microbes
A power trip to the red planet.
Not even space robots are immune to the effects of old age
In memory of "the last moonwalker"
If at first you don't succeeed...
If you want to go to Mars, fly American
The importance of today's landing
Future astronauts may depend on it, and a new forecast is about to be put to the test
New research hints at how hydrogen ends up in rocks
Now, on up Mount Sharp
This rover is made in China
Mawrth Vallis, looking mighty fine
Here are some of our faves
Looking for life in weird places
Can you drive the rover, or will you break it?
NASA to take a supportive role in the 2018 mission
The robot got a sort-of, almost, artificially intelligent upgrade
The anniversary of the Viking landing
NASA's mission to Jupiter is brought to you by: the Sun, from 500 million miles away
NASA has a grand new simulation
Some of the coolest views that people can see on Mars when we finally get there.
Mystery solved, thanks to a sand box in a wind tunnel
No spaceship required
To study effects of confinement and isolation
The Department of Energy has an idea that could double production
Boldly going where no bot has gone before
Made in the USA
No sign of sandworms so far
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
Eyes in the Martian sky
Interplanetary dune buggy
A deep-dive on whether we can handle the implications of such a discovery
How much are we really paying to explore the universe?
Bringing snark to Mars
NASA is taking suggestions this week
To Instagram and beyond
They were good while they lasted
Protecting future Mars payloads from fiery blasts
Unfortunately, NASA doesn't have a good game plan
Almost as good as the book
Protecting alien sites from Earth contamination
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
See you on the dark side of the moon
Unlike the Philae lander, this one bounces around on purpose
Plus a sneak-peak review of the first 49 minutes of the film
See the curvature of earth with a drink in hand
Like a rock
Thankfully, NASA condensed the 11-year journey into an 8-minute video
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.
Salt waters run deep
An interview with Keri Bean, NASA engineer and R2D2's best friend
Plutonium-238 is still in really short supply
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
When scientists launch a spacecraft into space, they're also launching thousands of bacteria along with it
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
Calling all astronomers, stargazers, and Neil deGrasse Tysons!
A less common reply against Moon hoax theorists: the way dust behaves in Apollo videos is proof we landed on the Moon.
Explore the Red Planet with HoloLens at the Kennedy Space Center
Google's Lunar XPrize just announced new prizes.
Mark Watney, eat your heart out
BILI is like radar for biomolecules
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn