Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

Thanks to an enormous stroke of luck and serendipitous timing, astronomers were able to calculate the mass and distance of a ...

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

Scientists measure a Saturn-sized rogue planet drifting through the Milky Way using rare Earth and space observations, revealing how planets can be ejected from their original systems.