Interstellar comet 3I/ATLAS may be older than our solar system, offering a rare glimpse into the early galaxy.

Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic ...

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

Rather than being an alien craft, 3I/ATLAS likely formed 12 billion years ago at a key moment in the early Universe ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

A new study into the 3I/ATLAS interstellar comet points to it having been born as far back as 12 billion years ago in a very ...

Juice observed 3I/ATLAS during perihelion, when Earth-based telescopes could not. Spectroscopic observations measured water ...

In the latest data from NASA’s Webb and Hubble observations between December 2025 and January 2026, the researchers could ...

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

Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy ...

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...