Apollo 11 gave us the Rosetta Stone of our solar system's history.
Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
But it's not time to panic.
Not one, not two, but 24 payloads are going up into orbit
We have no idea what it might be.
It's a groundbreaking step, but hardly surprising.
Gas might keep the dwarf planet's subsurface ocean from freezing.
The plumes are stunning—and scientifically useful.
If it's not delayed again, that is.
The longest-running surface mission laid the groundwork for some big things ahead.
Looking at the stars takes you back through time. All the way to the beginning.
It's now one of two working spacecraft in interstellar space.
InSight will tell us about the planet's interior, but it's got to stick the landing first.
What this new research means for radio astronomy
Yes, this article has spoilers
Meet the moon with 11 mile high cliff
The news isn't great, but it's not a showstopper either.
From the Popular Science archives.
Deep Sea Meets Deep Space
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
Researchers might not have to dig as deep as they thought to find proof of biological activity.
You map, IMAP, we all map.
The early solar system was a wild, world-destroying place.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
When the stars align, you can zoom way in.
Plus: new insights into the planet's interior.
It's time to return to our hellish neighbor.
Small, but mighty.
We all like having options.
Lockheed Martin will build a deep space habitat inside a space shuttle cargo container.
But the search for life on the red planet isn't over yet.
We're getting our closest view ever of the 10,000-mile-wide storm.
Here are eight surprising things NASA has learned so far.
Heat and drills will help us probe for alien microbes
Short answer: a time machine
The Saturn explorer's death spiral begins on Sunday
Deep-sea vents could infuse Enceladus' ocean with microbe food
The Voyager spacecraft are bringing “Johnny B. Goode” into deep space
Two private citizens have reportedly paid up for a lunar jaunt
For the first time since the Viking mission failures, the space agency may take the direct approach
Scientists predict a new star will be born in a massive cosmic collision
Rodents suffer from cognitive problems months after encountering space-like radiation
Imagine the space-scuba diving potential
Space is hard, and Mars is even harder
Shelter in space
OSIRIS-REx will launch tomorrow, possibly with my germs onboard
Go lander go!
But it isn't water
Astronauts could call one of these home sweet space-home
Deep Space Industries' Prospector-1 will hunt for valuables and land on an asteroid
Spelunking as a space simulation
A lesson from the Apollo missions
NASA's mission to Jupiter is brought to you by: the Sun, from 500 million miles away
Red, white, and black
If only science could evolve us a little faster
Orbiting laboratory could pave the way for a landing party
The space gold rush is on
A simulated mission visits a simulated asteroid
But its first stop will likely be an asteroid
For the moon, Mars, and beyond
Going to Alpha Centauri "within a generation"
Shooting for the stars.
One of these could be your next president
Go to Western Europe, young companies
The Department of Energy has an idea that could double production
These lucky CubeSats will ride on the maiden voyage of NASA's Space Launch System
One boring task for machine, one great leap for robots
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
No such thing as too many Pluto pics
The next big step towards sending humans to Mars
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
Now it's up to President Obama to decide whether Earth businesses can own pieces of asteroids
One step closer to owning pieces of asteroids?
NASA is taking suggestions this week
A daily dose of beautiful from the DSCOVR satellite
If you can make it here, you'll make it anywhere
Tiny satellites could help turn the Moon into a gas station for solar system exploration
Preparing for 'Deep Impact'
A controversial bill would give companies the right to own natural resources in space, and it may pass in the Senate by the end of September
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Full steam ahead for Mars
Robo space miners, deploy!
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
Raise the e-sail
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.
Where no yeast has gone before
A long time ago, this galaxy formed far, far away
This isn't good news for a future Mars trip
A look back at the spacecraft's greatest discoveries
The greatest hits of Earth's unmanned spacecraft
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Turning the heat up on this frigid space rock
A tour of places in our solar system where life could persevere
As you battle the blizzard, just be happy you don't live on Pluto
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
NASA's second attempt to fly a capsule that could take us to Mars was a success
What's next for Hayabusa 2
Yesterday's Antares failure was not exactly unprecedented.
Calling all astronomers, stargazers, and Neil deGrasse Tysons!