Scientists have confirmed the first-ever exomoon, a Jupiter-sized satellite orbiting a brown dwarf 71 light years from Earth.

The Hoba meteorite in Namibia is the largest known natural piece of iron on Earth, weighing about 60 metric tons today. By ...

The newly found object, estimated to be roughly as massive as Jupiter, orbits a brown dwarf—a "failed star"—which in turn ...

Scientists discovered a rare planet larger than Jupiter orbiting a distant star once every 180 days. A planet nearly five ...

Scientists have discovered a unique planetary system located 71 light-years away, featuring a red dwarf star orbited by a ...

What has eluded detection so far have been exosatellites: moons orbiting those remote planets. Our solar system is home to a ...

Much to the dismay of many professional and amateur astronomers, the 1978 discovery of Pluto’s largest moon Charon ultimately ...

Astronomers have discovered a rare planetary system 71 light-years away, where a Jupiter-sized world orbits a brown dwarf, ...

The Nancy Grace Roman Space Telescope will be the first space telescope to use an “active coronagraph” to block out unwanted ...

Two giant planets lighter than cotton candy are giving astronomers a rare new window into the origins of some of the galaxy's ...

Eulalia asteroid bombardment: a new study identifies the Eulalia asteroid family as the source of a third wave of impacts ...