Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

Astronomers have signalled the discovery of a planetary body roaming the Milky Way that is not gravitationally bound to the ...

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

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

A new survey maps nearby K-type stars and shows why these long-lived, stable stars are important targets in the search for ...

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

Astronomers have spotted an Earth-sized planet drifting alone through the Milky Way, detected briefly by bent starlight, ...

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

Scientists measure a Saturn-sized rogue planet drifting through the Milky Way using rare Earth and space observations, revealing how planets can be ejected from their original systems.

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting ...

Astronomers have just confirmed for the first time the existence of a "rogue planet"—a world drifting in space without being ...

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