Astronomers just measured the mass of a free-floating planet without a star for the first time ...

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

Planets travel alone in space, without a parent star. These wandering worlds, far from being rare, might even be extremely common, offering a new and unprecedented view of our galaxy. To ...

Astronomers have found a planet wandering alone in space. This rogue planet, similar in size to Saturn, offers a rare glimpse ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers have detected four small exoplanets orbiting ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth than the hypothetical Planet X, which astronomers have been hunting for ...