A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

The bold question-askers at What If explore why having a black hole in our Solar System would be a catastrophic scenario.

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

Analysis of meteorite Northwest Africa 12264 suggests that we may have to alter our timeline of the early Solar System, ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...