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

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

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

It’s a bit mind-bending to realise that everything we know about the scale of the universe comes from people stuck […] ...

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

A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our Solar System, rogue planets do not ...

For the first time, astronomers have confirmed the existence of a rogue planet, one that doesn't orbit a star, by measuring ...

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

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...

Astronomers have finally pinned down the mass and distance of a lonely world that drifts through the galaxy without a parent ...

A planet about the size of Saturn has been discovered roaming through the Milky Way. It is a rogue body that was kicked out ...

Astronomers have identified a rare type of planet wandering through the Milky Way without a host star. Roughly the mass of ...