I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...

I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río ...

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

NASA spotted a foreign object, 3I/ATLAS, speeding toward the inner solar system at 135,000 mph. Harvard expert Avi Loeb believes it may be an alien spacecraft. Scientists debate its origin, with NASA ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

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

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

British astronomers have discovered a mysterious object from space that is likely the oldest comet ever observed.This comet ...

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

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

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