Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

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

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

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

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

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

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

A team of astronomers have found what they claim are the most promising—but also tentative—signs of possible life on a distant planet. The research, which was published in the The Astrophysical ...

A new extreme trans-Neptunian object (ETNO), designated 2023 KQ14 (Ammonite), has been discovered, representing only the fourth known sednoid – a class of ETNOs with highly distant and elongated ...

Astronomers have observed the intense heating of a distant planet as it swung close to its parent star, providing important clues to the atmospheric properties of the planet. The observations enabled ...

SANTA CRUZ, CA–The search for distant planets will be the topic of a public lecture by Steven Vogt, professor of astronomy and astrophysics at the University of California, Santa Cruz. Vogt’s talk, ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...