Commentary. I was fortunate to be near a television earlier this month to watch in real time as the NASA astronauts who more ...

For all his faults, Elon Musk sure knows how to keep things interesting. Yesterday, skies around the world lit up with what ...

Toxic dust on Mars would make a future mission to the red planet extremely hazardous for astronauts and require significant ...

A nearly month-long mission is ready to lift off, with preparations being made at the Kennedy Center. To be clear, not NASA's ...

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while in orbit.

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while ...

"The rocket's frozen exhaust plume appears to be spinning in the atmosphere and reflecting the sunlight, causing it to appear ...

After nine months in space, Nasa astronauts Butch Wilmore and Suni Williams have finally arrived back on Earth. Their stay on ...

I gaze up into the night sky, my eyes wide with wonder. “Why doesn’t the moon fall?” I ask, as if gravity is a secret only the stars know.

Saturn's iconic rings will temporarily disappear this weekend in a rare celestial event that hasn't happened since 2009.

Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.