A new study published in Science marks the first time astronomers have directly measured the mass of a rogue planet, a ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Quite far beyond the Milky Way is a lone planet that astronomers found new information about. For the first time, scientists ...

Astronomers believe the free-floating planet is around 22 percent the mass of Jupiter and lies 3,000 parsecs from the Milky ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

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

A NEWLY discovered rogue planet without a host star like the sun to orbit around has been detected dashing through space on ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

At least that's what the most current map shows. Astronomers have mapped the most extensive atlas of our Milky Way galaxy yet, including the positions of each and every one of those stars. The ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space telescope, we're getting a unique peek behind the cosmic curtain into these dusty ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.