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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

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

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

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Prime Video is about to be the streaming home of the Alien film that restored pure fear, reminding audiences why xenomorphs ...

With tons of "Star Trek" alien races depicted over the decades, consistency is a tall order. And in the case of these aliens, ...

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...