Featured in space travel
Why the Virgin Galactic spaceship didn’t reach orbit last weekend
It's like throwing a baseball really, really far through the atmosphere.
Spending time in space could shrink your heart
Zero-gravity affects organ fitness—what does that mean for future space missions?
What did ’90s NASA astronauts pack for space?
There’s no punchline, unless you count the homemade jelly.
For astronauts in space, play is a way to stay safe
Keeping shuttle residents entertained is a serious business.
Virgin Galactic’s latest test flight puts it one step closer to commercial space travel
The company plans to operate rocket-powered flights out of New Mexico.
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.
These lunar rover tires mimic camel hooves for maximum traction on the moon
Bridgestone’s concept moon tires won’t go flat.
The sustainable voyager’s guide to the galaxy
Understanding how aliens might travel helps us know where to look for life.
There’s a chance the black hole at the center of our galaxy is actually a wormhole
The odds are slim, but a new analysis shows it’s possible.
How the ISS recycles its air and water
Nearly all of the water astronauts drink and shower with comes from their urine and sweat.