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.

I/ATLAS is the third known interstellar object ever discovered At 15 km wide, it’s larger and brighter than ʻOumuamua or Borisov Scientists will analyze its light to trace its system of origin ...

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.

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.

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

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 ...