Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

There is a large diversity in the chemical composition of astronomical objects such as planets, comets, circumstellar ...

Feldman views initial space piracy incidents might, for example, include taking over a broadcast satellite in geosynchronous Earth orbit, to disrupt a major global media event, say the World Cup.

"Space gives us a remarkable perspective for looking at the Earth," Jemison said. "We can look at and understand floods, what's happened to the ozone layer, we can look for minerals." She said ...

Every issue is packed with photo tips, kit reviews and inspiration ...

SpaceX's Fram2 mission has captured the first-ever space video of Earth's polar regions. Launched from NASA's Kennedy Space Center, the mission led by ...