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

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

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

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

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

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 ...

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

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...