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

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 ...

The asteroid is currently located in the constellation of Lynx, at a distance of more than 1.9 million miles (3.2 million ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

It's far out, man – literally. Researchers have uncovered the most-distant celestial object in the solar system, a pink dwarf planet nicknamed "Farout," detect at a distance of more than 100 times ...

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...

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

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers hunting for Planet Nine have found some 50 new objects lying beyond the orbit of Neptune – including a few that may help them track down this elusive, distant world. The new discoveries, ...

There are officially eight planets in our Solar System — yes, I know, Pluto was totally a planet, but not anymore — but that doesn't mean there isn't something lurking on the edge of our system that ...