NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space agency spotted the quick-moving object with the Atlas telescope in Chile on ...

Astronomers are rolling out a welcome mat for a newly identified visitor from beyond our solar system. The object — thought to be a comet — is only the third-ever confirmed interstellar visitor to ...

Interstellar objects move too fast and arrive too rarely for astronomy to rely on a single instrument or a single kind of light. When comet 3I/ATLAS was first reported on July 1, 2025, observatories ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronomers have spotted ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

It’s a stellar discovery. A Manhattan-sized interstellar comet was spotted blazing through our solar system — marking only the third time a mysterious object from beyond our cosmic neighborhood has ...

Astronomers have just confirmed the discovery of a rare visitor from beyond our solar system — a newly detected interstellar comet. Officially named 3I/ATLAS, the comet was first spotted on July 1 by ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

When a comet from another star system drifts through the solar system, astronomers do not just see an icy traveler. They see a rare chance to test whether familiar space physics still holds up when ...

The solar system’s newest visitor, 3I/ATLAS, may be 3 billion years older than the sun and its planets. First discovered on July 1, 3I/ATLAS is a rare interstellar object — only the third ever spotted ...

It ain't from around these parts of space.

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...