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

Astronomers have confirmed a Saturn-size world drifting alone in deep space roughly 10,000 light-years from Earth, a discovery that turns a once-theoretical idea into a measured reality. The planet ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

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

Astronomers have spotted something unusual, a planet that doesn’t orbit any star. It’s just drifting alone through space.

Astronomers have confirmed the existence of a “rogue planet”, a world about the size of Saturn, that is wandering through ...

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

LOS ANGELES - The Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That's more than two Earth-size planets for every person on the globe.

Astronomers poring over four years of data from NASA’s Kepler spacecraft have discovered a star that’s 11.2 billion years old and has at least five Earth-size planets. “We thus show that Earth-size ...

A lonely world the size of Saturn is drifting through the Milky Way with no star to warm it, and for the first time ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This ...