Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...

Almost one year on from its discovery, the latest analysis of observations of interstellar comet 3I/ATLAS continues to add ...

For centuries, Halley’s Comet has carried the name of English astronomer Edmond Halley. His work transformed astronomy by proving that the bright comet appearing every few decades was not a random ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

The Gaia mission has allowed researchers to understand the motions of stars like never before, even revealing possible interactions between our solar system and nearby stars. Planetary Science ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An interstellar comet is passing through our solar system: here is ...

In early September 1882, a comet was sighted from the Cape of Good Hope in South Africa. The comet brightened over the following weeks, reaching a magnitude of -2 on the 15th; at perihelion two days ...

"How many presumably disrupted comets have really completely disrupted, and could any of them have actually survived with a reduced, inactive nucleus?" The fate of a comet that was predicted to pass ...