Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

A lonely world the size of Saturn is drifting through the Milky Way with no star to warm it, and for the first time ...

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 ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...