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

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

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.

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

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 icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...