A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

Contrary to what you may intuit, the Earth's gravity isn't uniform, and there's one place where it's much weaker than anyone ...

Elon Musk’s SpaceX dominates the news these days, but a host of oddballs involved in space exploration came before him.

A massive underground stash of water has just been discovered beneath one of Mars’s most enigmatic regions—the Medusae Fossae Formation—shedding new light on the Red Planet’s hidden potential. Buried ...