The early solar system was a wild, world-destroying place.
Citizen scientists, assemble.
Watch a time-lapse here
Some drawings to explain the August eclipse's trajectory.
Don't worry, it's not rocket science.
Even partial eclipses can be exciting.
Experience over two minutes of glorious darkness.
They happen about once every 18 months
It's both chance and certainty. And there's something kind of beautiful about that.
Tune in Friday at 4:30 a.m. ET to watch the moon eclipse the sun
Excerpt: Mask of the Sun
Popular Science on eclipses in Sumatra, Spain, and Hawaii.
If you're in Northern Canada, you'll get the best view.
One of our writers went all the way to the remote Faroe Islands to get the best view of the event
Don't fry your eyeballs with counterfeits.
A magnificent flare, with a magnitude of 6.7. Plus, see our favorite Sun pics ever
It's amazing what centuries of data can do.
The lightning struck more than twice.
The evidence is right in front of you.
Kepler and Dawn guzzled through their precious gas for similar reasons.
Okay, it's really just an eclipse.
Fifty times the size of Jupiter.
Our eyes in the sky are facing budget cuts
It's an event that should bring us all together, so don't mess it up.
The robot's failed mission shouldn't come as a shock.
The Parker Solar Probe is our first mission to "touch" the Sun
You map, IMAP, we all map.
This Mars-sized exoplanet is a big deal
On Io, the floor is basically lava
Each Apollo lunar module cost about $149,000,000. So why were they unceremoniously smashed into the Moon?
It's not a sign of the apocalypse (we hope)
A look behind the scenes of NASA's advanced solar probe
Houston, we have a ringer
A sweet experiment
Stranger worlds to come
But you're still extremely unlikely to ever get hit by a piece.
We really need to work on our communication skills
No crowdfunding required
What is going on with my moon?
A bigger bang
The spacecraft completely changed our view of Saturn and her moons
The story of heroic fasteners that will get us to the moon and back.
And other Tiangong-1 facts.
Mars is at its closest and clearest right now. You know you want to look at it.
The next one isn't until 2033, so enjoy the pictures now
NASA's mission to Jupiter is brought to you by: the Sun, from 500 million miles away
What is the solar wind, anyways?
A far-out plan to create swarms of self-replicating solar panel satellites
NASA's IRIS mission publishes its first observations.
Twinkle, twinkle, little star, how I wonder where you went
A bigger smash solves everything.
Retired astronaut Scott Parazynski talks about his life of adventure
Another study fails to find evidence for E.T. around star KIC 8462852
Astronomers still have no clue what's causing this star's weird behavior
Giant planet orbits three stars at once
If there's a megastructure around Tabby's Star, this is our best shot at hearing the aliens that built it
Capturing a meteor shower takes serious photographic skill, but the results are worth the effort.
An excerpt from the June 1962 issue of Popular Science, in honor of Glenn's 95th birthday
The solar system's smallest planet finds a place in the sun
Here's how it all began.
About 120,000 civilians will see everything from arc jets and astrobiology labs to giant centrifuges and wind tunnels.
Better predictions can help us prepare
In 1952, the Hayden Planetarium offered applicants the trip of a lifetime
There's a good reason why all of today's manned spacecraft look pretty much the same
Scientists are hot on the trail of our solar system's 9th planet
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
Inside the dreaded 'pogo effect'
Is there a planet—or even planets—waiting to be discovered out there?
Neutrinos, meet IceCube.
All eyes are on Florida's Space Coast.
A gallery of photos, visualizations, and other pictures of outer space.
Slow but steady sun-powered spacecraft could transform space travel
Raise the e-sail
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
Pluto is just the beginning
Short answer: It depends who you ask
Findings from the MAVEN spacecraft suggest solar eruptions helped to destroy Mars' atmosphere
And what does it have to do with my GPS being wonky?
How skeptical should we be, and how will we find out if this mystery planet is really out there?
Before Breakthrough Starshot goes interstellar, let's test the laser sails
Northwestern University puts on a Solar System symphony
One of 10 insane ideas that just might save the world
Despite a recent glitch, LightSail 2 is still aiming for a historic flight in 2017
It starts orbiting the deadly planet in July
Their STEREO is working again!
Orbital manufacturing is already paving the way for better solar panels, faster internet, cleaner computer chips, and lab-grown human hearts