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 ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Water behaves very strangely under extreme conditions beyond Earth, according to researchers at the University of Nevada.

Discover how WASP-189b, a scorching alien world, mirrors its star's composition, reshaping the search for Earth-like planets ...

James Webb Space Telescope image of 14 Herculis c, a planet orbiting a star 60 lightyears away that's one of the strangest ...

Typically, when we think of exoplanets, we think of neat spheres floating directly in front of their star, which acts as a ...

James Webb reveals how powerful winds and extreme temperature differences create an unusual atmospheric bulge on the giant ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

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 ...

A newly discovered baby planet has been identified as the youngest known exoplanet in the galaxy. Approximately one million years old, this unprecedented discovery represents the youngest alien world ...

In ancient mythology, the phoenix was a miraculous bird with a cyclical pattern of life and death, perishing in flames only to rise again from the ashes. Astronomers have now ​found a world that ...