Nearly all of the water astronauts drink and shower with comes from their urine and sweat.
The leak has been repaired, but its origins remain mysterious.
A lot on the ISS depends on the Soyuz.
Not all astronauts in the space station are human
How much space does each astronaut really need?
Monitoring migrations from space
The hole came from the inside.
After a short delay, the walk is underway
Bringing fresh supplies and augmented reality, just in time for the holidays
NASA's partnership with SpaceX, Boeing continues to face delays
An out of this world birthday tribute
Not quite ready for takeoff
There's still more to explore after Pluto.
New Horizons will soon find out what's up with MU69.
Divest from Russia, with love
Here's how it all began.
The lightning struck more than twice.
Astronaut Leroy Chiao explains what it will take for commercial passengers to fly into space
Can you paint with all the colors of food dye?
Our world is amazing
Space gets a little more crowded