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 ...

A mystery interstellar object has been identified as the "oldest comet ever seen", according to scientists. The Oxford ...

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – 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 ...

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

A comet is hurtling into our solar system from interstellar space at about 152,000 miles per hour. The comet, named 3I/ATLAS, was discovered by the ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

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

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 ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...