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 ...

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

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

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

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.

Far out in the dark between the stars, a small visitor is carving a path through our solar system and leaving behind patterns ...

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 ...

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

A recent paper published in December to the journal Religions posed a simple yet profound question with its headline: ...

Lightsabers curling plasma, jetpacks for casual flights: My 15 top absurd picks from Star Wars to The Rocketeer show how ...