Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The Earth and a starry night appear to merge into one strange and otherworldly sci-fi trip in this mind-bending photo ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...

NEW YORK — Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan ...

The Alien franchise is heading to the small screen this summer as FX launches Alien: Earth, a new series from creator and ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Nine months after being stranded aboard the International Space Station, Suni Williams and Butch Wilmore are finally back ...

The conical capsule landed with the assistance of a parachute and was quickly recovered. The spacecraft carried a ...

Skywatchers will get a rare chance to see Saturn in its full glory, without chunks of ice and rock swarming around it.