The exoplanet, known as GJ 1214 b, was detected by the Hubble Space Telescope and dubbed a "waterworld" by the science ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

Thirty years after the discovery of the first exoplanet, astronomers have detected more than 7,000 of them in our galaxy. But there are still billions more to be discovered. At the same time, ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released Tuesday in Astronomy & Astrophysics astronomers who have been studying ...

This places it between Earth and Neptune in a size range that typically divides exoplanets into two different classes: super-Earths and mini-Neptunes. Super-Earths are rocky planets larger than Earth ...

A planet that may support alien life has been ... HD 20794 d, which is larger than Earth, was detected by a team including scientists from the University of Geneva (UNIGE) in Switzerland.

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...