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

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

Lurking in the vast expanse of the ocean and buried deep in the Siberian permafrost, there are giants—not blue whales and ...