Exoplanets — A complete guide and latest news

"This isn't what we expected at all."

A river of gas over a trillion miles long is streaming onto a young planet-forming system and is tipping it over.

Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of planets and moons?

"It's in the habitable zone, which is super exciting for astrobiology and habitability and searching for life."

It has taken over ten years, but astronomers have finally won a prolonged game of cosmic hide-and-seek with a planet hiding around the star Beta Pictoris.

Sub-Neptune exoplanets could have atmospheres so dense and crushing that rock is vaporized to form clouds that trap heat at the surface of the planet.

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to Einstein.

Astronomers discovered a planet 25 light-years away that orbits within the habitable zone of its star that could potentially support liquid water and possibly life.

Astronomers have discovered a curious new exoplanet that challenges assumptions about hot Jupiters, some of the most extreme planets in the universe.

Astronomers have discovered two "super-puff" exoplanets orbiting the same star that have densities lower than cotton candy, making them the lightest worlds ever seen.