Earth has quietly picked up a new traveling companion, a tiny captured object that astronomers say will loop around our ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed ...

After the International Space Station is decommissioned, China and possibly Russia will have active space stations in low Earth orbit. America will not.

NASA’s lunar orbiter has just revealed a small, previously unseen impact scar on the Moon, a subtle feature that was hiding ...

SpaceX's Starship V3 booster exploded during a gas pressure test at its Texas facility early Friday. The incident, captured by livestreamers, saw a se ...