Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be the oldest comet ever." ...

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

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...