After a 35-year journey, Voyager 1 finally reached interstellar space in 2012. The most distant human-made has to venture on ...

The theory, spearheaded by astronomer Michele Bannister and her investigative team at the University of Canterbury in New ...

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

Comet C/2025 R3 is generating excitement in the new year as it is set to reach its closest point to Earth in April. It is a ...

An amateur photographer in Portland captures rare images of interstellar Comet 3I/ATLAS using a smart telescope as the ...

A newly discovered comet is heading toward the sun. Astronomers say it might become a skywatcher’s dream in 2026.

Astronomers tracking 3I/ATLAS, the third confirmed interstellar object ever observed, say new measurements of its water loss ...

The Oort Cloud is a massive, invisible shell of icy objects that surrounds our entire solar system. It starts thousands of ...

New research examines the theory that this biblical phenomenon was actually a comet, and subjects it to mathematical ...

Among these celestial visitors — the interstellar object 3I/ATLAS, along with C/2025 A6 (Lemmon) and C/2025 R2 (SWAN) — not ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly confirmed to be just the third interstellar visitor to our solar system, after ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.