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

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

Astronomers have detected a rogue planet roughly the size of Saturn wandering alone through the Milky Way. Unlike most ...

Somewhere between the stars, far from any sun, a planet is moving quietly through space. There is no orbit to trace and no ...

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