An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

The fastest planetary winds ever found are tearing across a distant gas giant.