In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

"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 ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

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

The vast, silent expanse of our solar system has just played host to a visitor from the deepest reaches of the galaxy, and it ...

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.

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