Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Astronomers believe the free-floating planet is around 22 percent the mass of Jupiter and lies 3,000 parsecs from the Milky ...

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

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

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

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

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

BEIJING -- Chinese scientists have successfully achieved the first direct mass measurement of a free-floating object, confirming that it is a planet with a mass comparable to that of Saturn. This key ...

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

A NEWLY discovered rogue planet without a host star like the sun to orbit around has been detected dashing through space on ...

An exoplanet located 2,000 light years from Earth is so unusual it’s given astronomers the idea that it could be a totally ...

Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone ...