Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...
Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...
WASHINGTON - Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all by themselves, called rogue planets. While their origins are ...
Astronomers have spotted something unusual, a planet that doesn’t orbit any star. It’s just drifting alone through space.