It's not just a big deal for future space tourists, either.
Makes your junk drawer look manageable in comparison
China's most powerful rocket engine makes a successful debut
Om nom nom
They do come from Antarctica, after all.
Bigelow Aerospace is sending up an expansion pack for the ISS
It all depends on who you ask
It's time to stop sending up so much garbage.
What the heck is a Space Force? We finally (sort of) know.
Microbes on ISS are changing their genes, but don't worry.
The RED Epic Dragon camera makes everything look beautiful, including antacids
James Webb is now slated for a 2021 launch—only a bajillion years late.
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
There's just one catch: you'll have to tune in at 5:30 am Eastern time on Saturday to see it
It'll be either a dull repair shop or one step toward conquering geosynchronous orbit
Astronauts will periodically enter the habitat designed by Bigelow Aerospace
PopSci is at the launch site with fingers crossed
Ready by 2022
Curators of leftover satellites and stations could be the next hot job
Satellites and space tourists
The country's longest manned mission is part of their plan for a permanent orbital outpost
Reflections from a prodigious force in space exploration.
It's big, but our planet is bigger.
The spectacular scope launches in 2019.
And other Tiangong-1 facts.
Experts still aren't sure how the sixth military branch would actually work.
NASA's second attempt to fly a capsule that could take us to Mars was a success
Getting an inside look at what went wrong during a near-fatal spacewalk last summer
The LDSD uses a huge parachute and a surface-wide balloon as supersonic brakes
It's the next best thing to actually being there
With environmentally friendly engines
Maybe, but they're still a bad idea
ISS commander Scott Kelly presents his playlist
No need to call Mark Watney
Mike Massimino shows me around
A rare galaxy formation gives glimpses into the early universe
Come on, Eileen
The record-breaking rodents will travel to the International Space Station this weekend.
Will NASA be required to fund the Dream Chaser?
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
A gallery of photos, visualizations, and other pictures of outer space.
World View sets a new record in the quest to conquer the stratosphere
Up close with Robert Bigelow and his dream of habitable bubbles in space
How private corporations are using the station's lab for research and development
This isn't good news for a future Mars trip
Slow but steady sun-powered spacecraft could transform space travel
In 1952, the Hayden Planetarium offered applicants the trip of a lifetime
Wonder what space lettuce tastes like?
Will there be horrible consequences? Live video right here
Pass the dressing, please
Everybody poops. In space, it's pretty difficult and requires a lot of planning.
The ISS just celebrated its 15-year anniversary yesterday. Could it survive another 15?
One step closer to owning pieces of asteroids?
Now it's up to President Obama to decide whether Earth businesses can own pieces of asteroids
Before we built the International Space Station, these concepts promised incredible futures.
Twins Mark and Scott Kelly are key to understanding how space impacts our bodies
The next big step towards sending humans to Mars
Apollo 10 heard eerie music around the Moon, but it's really not too mysterious.
The baron of low-Earth orbit
Coverage begins Tuesday at 4:15 PM Eastern
Ky Michaelson is basically Max Valier reincarnated
Targeting April 8 to return to the International Space Station
Four possible scenarios...
A small study indicates astronaut hair grows more slowly
Gone, but too awesome to forget
Two private spacecraft are now attached to the space station; more will follow
Inks deal to launch giant inflatable habitats starting in 2020
Private Chinese companies could launch microsatellites and one day, taikonauts
The ISS is fine, don't worry
The first Facebook Live interview from space starts at 12:55 PM ET
In one of the most isolated places on the globe, the 'Spacecraft Cemetery' provides a watery grave
Before women started flying in space, NASA was a little worried they might die having their periods
According to new research, one flat could ruin the whole thing. Bummer.
The new era of space strategy
Zero gravity pharmacy
A lesson from the Apollo missions
To gain an edge here on Earth, China is pushing ahead in space
Sentinel 1-A is operating routinely, despite some damage to a solar panel
No boosters included
Asgardia might become a legit state, but don't count on it
Sudden peeing, sweat balls, and so much more
Now it's ready for the final tests before launch in 2018
For your favorite space enthusiast, go above, to infinity, and beyond.