An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

Massive recreations of the surfaces of the moon and Mars are being built inside the facility, as the state defends its stake ...

After decades of setbacks, Japan is assembling the technology, partnerships and patience required for a return to the Red Planet, and for a role in the next era of planetary exploration. The first ...

A Chinese inventor has brought Spider-Man villain Green Goblin's flying glider closer to reality after building an electric skateboard capable of carrying him through the air above mountains and ...