Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...

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

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

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

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

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

Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

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

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss ...