Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

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

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

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

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

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 ...

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 ...

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

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