A gallery of photos, visualizations, and other pictures of outer space.
American Nick Hague and Russian Alexey Ovchinin endured a rough emergency landing.
Nearly all of the water astronauts drink and shower with comes from their urine and sweat.
Scott Kelly's got some competition
The simplest explanation is also the likeliest.
What is going on with my moon?
How much are you willing to pay to become an astronaut?
And other experiments launching to the International Space Station this month
James Webb is now slated for a 2021 launch—only a bajillion years late.
NASA announced the nine astronauts selected for its Commercial Crew program.
The evidence is right in front of you.
We all like having options.
Doesn't seem too fair.
Wonder what space lettuce tastes like?
To Instagram and beyond
Space gets a little more crowded
7 vehicles that will carry humanity into orbit and beyond very soon
Time to step up your Twitter game, Earthlings.
It's the final countdown
Orbital manufacturing is already paving the way for better solar panels, faster internet, cleaner computer chips, and lab-grown human hearts
Europa, the outer solar system, and a lot of questions.
Festivities in free fall
We asked a bunch of our favorite people about their holiday plans
The Crew Dragon's engine test anomaly this past weekend will have dramatic consequences over the next year, and beyond.
Two private citizens have reportedly paid up for a lunar jaunt
Nope, not aliens.
What could it be?
New Horizons scientist Leslie Young discusses what to expect from the flyby on Tuesday, and the 28-year wait leading up to it
In one of the most isolated places on the globe, the 'Spacecraft Cemetery' provides a watery grave
Yesterday the astronauts on ISS had to deal with a faulty cooling system.
Chris Hadfield on how to make great photos from the International Space Station.
Don't worry: Those shooting stars outside your window are only pieces of your spaceship
3, 2, 1, Action!
A close look at severe weather
Our world is amazing
The ancient Lyrid meteors have never failed to amaze us.
Speed through the setup and launch of Expedition 42
What's the weather like down there?
Some things never get old
Capsule flight and rocket landing captured in one amazing shot
There's still more to explore after Pluto.
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
The ISS just celebrated its 15-year anniversary yesterday. Could it survive another 15?
The baron of low-Earth orbit
It's a matter of perspective
Congress has only approved funding through 2024. What happens then?
Even partial eclipses can be exciting.
It's a bit like a terrestrial house, but also a bit like a human body.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
Happy birthday to the best space telescope ever! Love, PopSci.
The leak has been repaired, but its origins remain mysterious.
A lot on the ISS depends on the Soyuz.
Don't worry, no one has gotten sick yet.
But this is far from the first time a country has destroyed a satellite with a missile and caused a ruckus.
It's a groundbreaking step, but hardly surprising.
Tune in for takeoff at 11:05PM Eastern
Monitoring migrations from space
Enter the competition by October 7
Two astronauts will perform a spacewalk to install the new space station camera.
Not quite ready for takeoff
The agency is “years away” from building a replacement
New Horizons will soon find out what's up with MU69.
If it's not delayed again, that is.
Lost in space
To complete a very long repair job
How much space does each astronaut really need?
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
They're launching to the International Space Station next week
Money's tight for the Russian space agency
And should colonists on Mars be allowed to eat each other?
It's on Google Street View, and it looks incredible.
The spectacular scope launches in 2019.
It all depends on who you ask
We all want to know who it is.
The hole came from the inside.
In space, no one can fix your toilet for you.
Get ready to stay up past your bedtime for this historic moment.
The rover took the shot, but never had the chance to send it back to earth.
Fluid dynamics on the International Space Station makes growing tomatoes difficult.
Wrenches, and sample containers, and extruders, oh my
The final frontier is a photographic nightmare
How private corporations are using the station's lab for research and development
"We'd like one crew rotation mission, please"
Looks like something went wrong in the rocket's second stage
It's the next best thing to actually being there
Plus, a harbor seal photobombs the Milky Way
Divest from Russia, with love
Bigelow Aerospace is sending up an expansion pack for the ISS
Bubble, bubble, toil and trouble
Juno will zoom in on Jupiter on July 4th
Astronauts are pretty much the only people not playing
See peak Perseids August 11-12
NASA's partnership with SpaceX, Boeing continues to face delays
Not all astronauts in the space station are human
An amazing video shows you how, and David Bowie is there (for some amazing reason)