Rogue planets may have more in common with stars like our sun than astronomers realized. About 620 light-years from Earth, a gigantic rogue proto-planet is currently devouring 6.6 billion tons of dust ...

Add Yahoo as a preferred source to see more of our stories on Google. This rogue planet likely formed within a traditional planetary system before gravitational interactions—perhaps with a massive ...

Moons orbiting rogue planets, worlds flung from their parent star systems into the cold of interstellar space, could maintain liquid water on their surfaces for billions of years if wrapped in a dense ...

Scientists have spotted a “rogue” planet floating on its own through space. Most of the planets we know are found orbiting as part of a star system, with one or more suns, just like our Earth and the ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

How fast can rogue planets grow? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated the discovery of a rogue planet that ...

The formation of planets is a fascinating process. They usually originate in a disc of dust and gas surrounding stars. When particles come together, they form a clump, and through a process called ...

'Do all aliens really need sunlight?' ...

Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. Credit: NASA / JPL-Caltech / R. Hurt illustration Astronomers ...

WASHINGTON - Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all by themselves, called rogue planets. While their origins are ...

Astronomers have detected a massive, lonely world drifting through the darkness without a star to call home. This Saturn-sized rogue planet was discovered by an international team of scientists using ...