What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

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, ...

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

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

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

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

A spectacular supermoon and the first meteor shower of the new year will soon appear in the California night sky. The ...

From lunar flybys and towering robotic landers to rare eclipses and dazzling supermoons, 2026 is shaping up as a banner year ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

Beyond better testing, we need better protection. Physical shields seem like the obvious first defense. Hydrogen-rich materials such as polyethylene and water-absorbing hydrogels can slow charged ...