Earlier this year, on July 1, a 20-inch telescope in the Rio Hurtado Valley of Chile was conducting its nightly survey when it detected something remarkable. One of five telescopes in the NASA-funded ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Add Yahoo as a preferred source to see more of our stories on Google. An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

Add Yahoo as a preferred source to see more of our stories on Google. NASA's James Webb Space Telescope is finding clues that are leading scientists closer to understanding the origins of the ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

What can 3I/ATLAS teach astronomers about the origins of life?

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

This is the moment a mysterious object that has come from interstellar space was spotted travelling through our solar system. Images shared by the Canary Islands Institute of Physics on Thursday (3 ...

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion years ago. This ancient visitor, detected in July 2025, could offer ...