While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

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

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

An exoplanet located 2,000 light years from Earth is so unusual it’s given astronomers the idea that it could be a totally ...

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

Astronomers have spotted a Saturn-sized world drifting through a region of space that theory once said should be almost empty ...

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

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

The James Webb Space Telescope detected an atmosphere on a lava-covered exoplanet, evidence that small planets close to stars ...