Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust ...

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

Interstellar comet 3I/ATLAS has turned a routine solar system flyby into a natural physics experiment, with a wobbling jet ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard ...

Harvard astrophysicist Avi Loeb highlights 3I/ATLAS' baffling sunward jet after a 16° gravitational twist, defying known ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

For a certain type of science-fiction fan, Exodus was the biggest announcement out of the 2025 Game Awards. Those fans just ...

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.

"Not me, but my ex didn’t know that pickles were pickled cucumbers until he was 32 and commented that he had never seen a ...