Featured in spaceflight
Spaceflight affects the human body in two major, peculiar ways
30 new studies show astronauts experience telomere lengthening and mitochondrial malfunction in space.
NASA’s now taking astronaut applications. Do you have the right stuff?
Here’s what they’re looking for.
Here are all the ways to visit space this decade (if you’re extremely rich)
Glamping in zero gravity will cost a few millions bucks at least.
The sustainable voyager’s guide to the galaxy
Understanding how aliens might travel helps us know where to look for life.
SpaceX saves mannequins from fireball. Next up, astronauts.
The company aced its last major uncrewed safety test.
SpaceX and Boeing are one big step closer to launching astronauts into space
Both companies are neck and neck as NASA’s last ride to the space station races closer.
Fraudulent aluminum cost NASA two missions and $700 million
The manufacturer falsified tests and certifications.
The International Space Station is crawling with bacteria and some may be harmful
Don't worry, no one has gotten sick yet.
On NASA’s 60th birthday, our readers say it’s still looking good
A universe of emotion.
Where does outer space start?
It all depends on who you ask