Former Canadian astronaut Chris Hadfield, author of "Final Orbit," discusses his work of fiction and the real possibility of one day living and working on a planet that isn't Earth.

The moon's influence is huge, both for human civilization and life as a whole. Its destruction would have catastrophic ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

"It was just a matter of time before we found them." ...

Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...