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

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

JWST observations of the ultra-hot super-Earth exoplanet TOI-561 b provide the strongest evidence to date for an atmosphere surrounding a rocky planet beyond our Solar System.

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

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

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

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

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

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Genna quickly lives up to its name, with Dek running afoul of numerous alien creatures within moments of crashing onto the ...