A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Today in the history of astronomy, the most prolific comet-discoverer of all time gets his start.

Two of the world’s leading AI startups, OpenAI and Perplexity, this week launched their own AI‑powered web browsers in a direct challenge to Google Chrome’s two‑thirds share of the global market ...

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.