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

Astronomers have finally pinned down both the mass and distance of a solitary “rogue” planet, a world that drifts through ...

The team’s analysis points to a lensing object with a mass of 0.219 Jupiter masses, a touch lighter than Saturn or around 70 ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

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

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