Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no star of its own roughly 10,000 light-years from Earth. Instead of circling ...

Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone ...