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

Free-floating, planetary-mass objects that are just drifting carefree through the galaxy, untethered and starless, appear to be able to generate their own systems of moons, like a planetary system on ...

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 ...

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 ...