The Etosha Pan in northern Namibia, the largest salt flat in the country, looks otherworldly in this satellite photo.

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Our galaxy is full of strange worlds, but what would happen if we could bring some of them into our own Solar System? Moving ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field known outside our solar system.

In ancient mythology, the phoenix was a miraculous bird with a cyclical pattern of life and death, perishing in flames only ...

WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique hellscape - covered with a perpetual ocean of ...

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

Astronomers have identified a clue hidden in the light of certain stars that's already led them to discover seven new alien planets, with more expected to come. To be clear, these alien planets likely ...