An old theory gets a new assist from the sun.
Despite what Harvard scientists say.
From the Popular Science archives.
Shower your friends with meteor facts.
Bright lights, big planet.
What we know about the mysterious life cycle of a black hole.
Our planet's personal space heater is incredibly efficient.
But they might wobble.
The early solar system was a wild, world-destroying place.
Also in space: A neighborhood of black holes, a new (and old) reason to study Venus' clouds, and the end of the Lunar XPrize.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
What's the matter with dark matter?
If Zuma is still up there, these are the people who might spot it.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
It's an explosive detective story.
Even partial eclipses can be exciting.
A gallery of photos, visualizations, and other pictures of outer space.
Excerpt: Mask of the Sun
Finally, a good use for climate change
Future astronauts may depend on it, and a new forecast is about to be put to the test
Their STEREO is working again!
Juno will zoom in on Jupiter on July 4th
The evidence is right in front of you.
Scientists are hot on the trail of our solar system's 9th planet
Piping hot Jupiter fries, please!
This year's missions to the outer solar system are set to shake up the planetary family tree
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades
With no plans for future upgrades, the telescope faces a fiery end
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
They happen about once every 18 months
Speak up, LightSail, we can't hear you!
On a semi-regular basis
A far-out plan to create swarms of self-replicating solar panel satellites
It's the end of the world as we know it
It's amazing what centuries of data can do.
It's both chance and certainty. And there's something kind of beautiful about that.
What is going on with my moon?
They both orbit the sun, but they're very different.
Some serious space weather at play.
NASA takes you into an asteroid field--virtually
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Here's what New Horizons saw as it zoomed past the former planet
Throwing shade on Earth's telescopes
Where can I find a planet like that?
LIGO experiment reports a second successful discovery
Two stars enter, one star leaves
The rover shut down science activities a few days ago.
More than a light Venusian breeze.
Mars is at its closest and clearest right now. You know you want to look at it.
Science takes off.
Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
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.
The solar system's smallest planet finds a place in the sun
New evidence suggests it could be a rogue planet captured by our sun
Like a giant egg yolk in the sky
Short answer: a time machine
The upper atmosphere of Venus is surprisingly similar Earth.
New research provides some clues about our solar system's most mysterious planet.
Fast Radio Bursts have an origin story—and we're closer to learning what it is.
There's something weird happening around a faraway star.
Till mid-February, early risers will see the first five-planet alignment in a decade
The ups and downs of our solar system's least explored planet
A new kind of space weather
The latest from Rosetta's smashing mission
The family isn't close.
In the event of a lunar emergency, use pulleys.
It has to do with a surprisingly hazy atmosphere.
It doesn't take much to enjoy nature's fireworks.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
What this new research means for radio astronomy
Spooky-looking active spots appeared on our home star on October 8.
Short answer: They create a beautiful swirling mess.
Witness history in the making
And it wouldn't actually be that expensive, thanks to robots, 3D printing, and SpaceX
Sometimes you just need a rocket that flies at 2 million miles per hour
A magnificent flare, with a magnitude of 6.7. Plus, see our favorite Sun pics ever
But that's okay, because it still doesn't mean anything
Radio waves might help protect us from space weather.
Fifty times the size of Jupiter.
Climate change could make the red planet livable within 100 years.
Observatories all over the world caught a new kind of collision.
This probably isn't covered under Elon Musk's warranty...
And it could help prove the existence of Planet Nine.
Astrophysicists measured all of the lights.
Every little bit counts.
If you're in Northern Canada, you'll get the best view.
What it might mean for finding life beyond Earth
A giant solar storm is slamming into Earth, and the results could be pretty
A look back at the spacecraft's greatest discoveries
The first one we've seen outside our solar system
What to expect as the Rosetta mission follows Comet 67P to its closest encounter with the Sun
Findings from the MAVEN spacecraft suggest solar eruptions helped to destroy Mars' atmosphere
Welcome to orbit, Akatsuki
LISA Pathfinder is a precursor to the largest experiment ever, and it's just getting fired up
Despite a recent glitch, LightSail 2 is still aiming for a historic flight in 2017
You can't see it—but Hubble can.
But it's not aliens.