As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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

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

The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...