It circles a 'failed star' like a moon would. But scientists aren't quite sure what to call it.

Astronomers using the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have found evidence of a Jupiter-mass object orbiting a brown dwarf in the CD-35 2722 system, a discovery ...

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

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

By Will Dunham WASHINGTON, July 22 (Reuters) - Scientists are documenting a planetary system in the Milky Way galaxy that is ...

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are planets that orbit stars outside our solar system. But new research from ...

Since the first planet beyond our solar system was confirmed in the 1990s, astronomers have gone on to catalogue more than ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of our solar system showing the planets far closer together than they are in reality in order to represent the all ...

(CNN) – Astronomers have discovered a rare family of six planets about 100 light years from Earth. The exo-planets are larger than the Earth but smaller than Neptune. The planets are in a ...