These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

American space agency NASA announced the launch of an improved software called ExoMiner++ that is used to detect exoplanet ...

Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...