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

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 ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...