These are ultra-hot Jupiters, some of the most extreme planets we know of. And now, they may have revealed something ...

Snaiad's strange creatures and ecosystems continue to evolve in one of speculative biology's most convincing alien worlds.

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

A new Keck Observatory study indicates that giant planets can spin faster than more massive brown dwarfs, revealing important ...

In an astronomical first, researchers have measured the magnetic fields of 7 "hot Jupiter" planets beyond our solar system — ...

Scientists using NASA’s James Webb Space Telescope have found a unique planet in another star system that’s shaped like a lemon. The lopsided Jupiter-style planet is so bizarre that it may blur the ...

Astronomers using the JWST discovered massive “rock clouds” made of vaporized minerals on the distant planet WASP-94A b.

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, ...