An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...

By Will Dunham WASHINGTON, June 22 (Reuters) - Scientists studying the comet 3I/ATLAS have determined that this interstellar ...

Using carbon isotopes in the comet to estimate its age, the authors believe it may be even more ancient than earlier ...

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

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

A new study suggests laser-driven interstellar lightsails may face a hidden efficiency problem as the very light pushing them starts behaving less helpfully.The Latest Tech News, Delivered to Your Inb ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California have ...