Wikimedia Commons/NASA/W. Liller The 1910 Halley’s Comet Scams (Kansas) In 1910, Halley’s Comet crossed American skies.

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

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

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

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 ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

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.

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

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 ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists. Named 3I/Atlas, it may be three billion years older than our own solar ...

After running a new kind of computer simulation, scientists believe the comet originated from a rarely seen corner of the ...