The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

A new study published in The Astrophysical Journal Letters has shaken up our understanding of rogue planets—those free-floating worlds drifting through the cosmos without the warmth or stability of a ...

Astronomers observed something incredible in a region that not much was expecting—a planet-scale object drifting alone in space then burst into fiery life in a violent outburst of development. The ...

A "rogue planet" is growing at a record-breaking rate of six billion tons per second, reveals new research. Located around 620 light-years away from Earth, scientists say it has experienced a ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

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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 ...

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 ...