Now, according to new research published in Science, astronomers have managed to weigh a rogue planet for the first time. The ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

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

Astronomers have measured the mass and distance of a rogue planet using gravitational microlensing observed from Earth and ...

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

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

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

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.

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

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569.

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

Planetary alignments, a total lunar eclipse, and meteor showers are highlights to look for in the coming year.