Finding a planet is one thing; proving it is a planet when it has no star is the part that usually breaks the story. A newly ...

Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to ...

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

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

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

The team has estimated that the planet is about 22 percent the mass of Jupiter, so roughly a Saturn-sized world. It is ...

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

Saturn, the sixth planet from the Sun – The Ringed Planet. Curious, young sky watchers often ask, “What’s the planet with the rings?” These rings are Saturn's identity, and those very rings that ...

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