Scientists directly imaged two embryonic exoplanets 370 light-years away.
A 'Forbidden planet' defies odds and thrives under inhospitable conditions.
You've likely outlived the company that wanted to film you dying on Mars.
Not drifting through the wind.
It could be something even cooler.
It defied the odds to discover thousands of planets.
Short answer: Because we changed the definition of the word “planet” to better fit its meaning.
Chris Hadfield on how to make great photos from the International Space Station.
James Webb is now slated for a 2021 launch—only a bajillion years late.
It's time to stop sending up so much garbage.
It all depends on who you ask
Something's got the Kuiper belt's rocks off, and there's a scramble to find it.
Our best guess for what it would take to get to planets that are really, really far away.
And other Tiangong-1 facts.
It's big, but our planet is bigger.
The simplest explanation is also the likeliest.
But you're still extremely unlikely to ever get hit by a piece.
The identification system blinks for a millionth of a second.
Reflections from a prodigious force in space exploration.
Here's how it all began.
Earth's orbit is becoming dangerously crowded with space junk.
But our days of massive exoplanet dumps may be numbered.
So hot right now.
Scientists aren't just jerking you around—this is about something more than your childhood nostalgia
It's a matter of perspective
New evidence suggests it could be a rogue planet captured by our sun
The agency's new GIPHY page is a delight
Now it's ready for the final tests before launch in 2018
Asgardia might become a legit state, but don't count on it
Mike Massimino shows me around
Where can I find a planet like that?
Life on a pale blue dot
For the moon, Mars, and beyond
Are we made of interstellar stuff?
Some things never get old
They do come from Antarctica, after all.
How skeptical should we be, and how will we find out if this mystery planet is really out there?
Team announces a new batch of suspected exoplanets
Om nom nom
Bring an umbrella
ISS commander Scott Kelly presents his playlist
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
Maybe, but they're still a bad idea
With environmentally friendly engines
Pluto is just the beginning
You don't need a rocket to leave Earth. There's a slower, gentler trip in the works—and it comes with a cocktail.
This Mars-sized exoplanet is a big deal
I can see my house from here. There's my car!
The LDSD uses a huge parachute and a surface-wide balloon as supersonic brakes
Slow but steady sun-powered spacecraft could transform space travel
Laying it all out on the table
They'll launch this week to study Earth's magnetosphere
This year's missions to the outer solar system are set to shake up the planetary family tree
What will we find when we reach Pluto and Ceres? We don't know, but it's going to be wild.
NASA's second attempt to fly a capsule that could take us to Mars was a success
And it can be yours -- for a small fee
Makes your junk drawer look manageable in comparison
China's most powerful rocket engine makes a successful debut
Bigelow Aerospace is sending up an expansion pack for the ISS
PopSci is at the launch site with fingers crossed
The ISS is fine, don't worry
The new era of space strategy
We all like having options.
What the heck is a Space Force? We finally (sort of) know.
Microbes on ISS are changing their genes, but don't worry.
If Sierra Nevada can't build its vehicle, no one else can.
The RED Epic Dragon camera makes everything look beautiful, including antacids
Everything is awesome!
There's just one catch: you'll have to tune in at 5:30 am Eastern time on Saturday to see it
Will NASA be required to fund the Dream Chaser?
World View sets a new record in the quest to conquer the stratosphere
It'll be either a dull repair shop or one step toward conquering geosynchronous orbit
Now it's up to President Obama to decide whether Earth businesses can own pieces of asteroids
The baron of low-Earth orbit
Astronauts will periodically enter the habitat designed by Bigelow Aerospace
Four possible scenarios...
Inks deal to launch giant inflatable habitats starting in 2020
Ready by 2022
Curators of leftover satellites and stations could be the next hot job
Sentinel 1-A is operating routinely, despite some damage to a solar panel
Satellites and space tourists
The country's longest manned mission is part of their plan for a permanent orbital outpost
Researchers monitored microbes on a mock flight to Mars.
The spectacular scope launches in 2019.
How much are you willing to pay to become an astronaut?
Experts still aren't sure how the sixth military branch would actually work.
In 1966, the Air Force sent an uncrewed space station into orbit
The leak has been repaired, but its origins remain mysterious.