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

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

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

Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes ...

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

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 ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...