... by 3 to 1. This contrasts with the nearly 300 alien planets previously discovered, of which the vast majority ... to find their planets, looking for transits has proved a highly successful way of discovering alien worlds ...
The glint of starlight from oceans might show water on alien planets.
A gas giant alien planet discovered around a very young star proves that planets can form very quickly.
Six new and diverse alien planets - including a world twice as massive as Jupiter orbiting a rapidly spinning star - have been discovered by a planet-hunting space observatory.
An alien planet that is only eight times the mass of Jupiter has been confirmed orbiting a sun-like star - over 300 times farther from the star than Earth is from the sun.
A pair of alien planets is locked in an orbital embrace around a dying star, a new study discovered.
A tantalizing group of alien planets that may include the smallest, most Earth-sized world yet seen has been discovered around a star like our sun, NASA announced Thursday.
The atmosphere of a big, hot alien planet contains almost no methane, surprising astronomers who had thought the stinky gas was a common feature of such worlds.
After spending decades searching for alien planets capable of harboring life, astronomers may have found one. So how can they check to see if life actually exists on this alien world?
Cast your vote on whether the alien planet Gliese 581g really exists or needs more observations.
space, exoplanets, alien planets, planets, worlds, astronomy, life, habitable zone, gliese 581g, extrasolar planets, solar system, universe
A huge alien planet has a strange hot spot on its side, and astronomers aren't sure what to make of it.
A survey of sun-like stars relatively close to our solar system has found evidence for up to 45 potential alien planets.
The discovery of the 500th alien planet, when it comes, may actually be trickier than you might think.
The first alien planet from another galaxy has been detected, a new study suggests.