Picture a planet with no sunrise and no sunset. One hemisphere is scorched by a star it can never turn away from. The other ...

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

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

The curious minds at What If explore what would happen if Voyager 1 crashed on an alien planet.

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

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 ...

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

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...