For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects than anyone ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, ...

Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

NASA's shock discovery as interstellar comet 3I/ATLAS blasts out pristine ices at 153,000mph, reigniting alien theories and ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

On a research trip up to a cemetery in Eldora, Amy Davis and Rikki Diana Pauley saw something strange in the night sky. “She notices it first, and then it blinked,” Davis said. “Almost ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which ...

As it races back into deep space, interstellar comet 3I/ATLAS has staged an unexpected finale, suddenly brightening and shedding material in a spectacular flare. The outburst, caught by a suite of ...

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But experts predict it will eventually be thrown out of the solar system forever ...