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

For the first time, astronomers have directly measured the mass of a rogue planet, a celestial body wandering through space ...

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

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

The team’s analysis points to a lensing object with a mass of 0.219 Jupiter masses, a touch lighter than Saturn or around 70 ...

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

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 ...