A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from anywhere nearby. Called 3I/ATLAS, it was travelling so fast and on such an ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

It was initially thought to have formed between three and 10 billion years ago, but researchers have now found that it could be even older, originating from an ancient planetary system nearly 12 ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...

In a clip from the BBC’s Wonders of the Solar System, Brian Cox visits an ‘alien’ within a cave that’s a death trap for ...

Add Yahoo as a preferred source to see more of our stories on Google. It was initially thought to have formed between three and 10 billion years ago, but researchers have now found that it could be ...

Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...