Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...

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

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

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

Space is a cold, dark place, and sometimes we're reminded of just how cold and how dark it can be. Thanks to new research published in Nature Astronomy this week, we now know that astronomers have ...