Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

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 ...

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

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

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, ...

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 ...

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

Space is full of electromagnetic radiation like radio signals, but those signals are usually coming from stars or black holes, not planets.