An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Astronomers have spotted a Saturn-sized world drifting through a region of space that theory once said should be almost empty ...

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has ...

So, without further ado, here are the seven best new sci-fi shows of 2025, including some releases that went under the radar.

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

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

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

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

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

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

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