Results show the human body changes, but not dramatically.
It's time to stop sending up so much garbage.
Can gardens help astronauts go farther?
To gain an edge here on Earth, China is pushing ahead in space
A conversation with the founder of Moon Express
3D printing our way to the year 2050
Two private spacecraft are now attached to the space station; more will follow
The baron of low-Earth orbit
See the world anew, through the eyes of a long-term space traveler
The ISS just celebrated its 15-year anniversary yesterday. Could it survive another 15?
Science takes off.
You don't need a rocket to leave Earth. There's a slower, gentler trip in the works—and it comes with a cocktail.
NASA is still trying to figure that out
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
With no plans for future upgrades, the telescope faces a fiery end
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
If Sierra Nevada can't build its vehicle, no one else can.
Will NASA be required to fund the Dream Chaser?