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 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 ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

New research from the University of St Andrews has found that giant free floating planets have the potential to form their own miniature planetary systems without the need for a star. In findings ...