A mysterious cosmic traveler has found its way to the Solar System from the uncharted reaches of interstellar space. The rare ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

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

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

But as the comet neared the sun, it broke apart into chunks until it finally evaporated, according to NASA. C/2024 S1 was a sungrazer, a comet that passes within a distance of about 850,000 miles ...

The object, also known as Comet C/2024 S1 (ATLAS), was discovered on September 27 and quickly earned its nickname following speculation that it might be visible in the night sky near the end of ...

It's called Comet C/2024 G3 (ATLAS) and for the past few nights it has been putting on a show for Australian star-gazers. But it can't go on forever — especially because astronomers now think ...

A comet that has taken astronomers by surprise could shine as brightly as Venus in the night sky as it passes by Earth over the next few days. Comet C/2024 G3 (ATLAS) was spotted in April last ...