Citizen scientists working with NASA have helped identify more than 3,000 brown dwarfs—dim, elusive objects that sit between ...

A newly discovered free-floating planetary mass could offer NASA researchers new clues on how lonely planets form in the galaxy. The object, dubbed WISEA 1147, was discovered using information from ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, astronomers have for the first time confirmed the existence of one of these starless ...