Large Telescope observations of interstellar comet 2I/Borisov has revealed that it is "one of the most pristine ever observed ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Researchers at the SETI Institute found no evidence of alien technology after analyzing radio signals from the object. 3I/ATLAS was the third comet ever discovered originating from outside our solar ...

Rather than being an alien craft, 3I/ATLAS likely formed 12 billion years ago at a key moment in the early Universe ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

An interstellar comet that passed through the Solar System last year may be up to 12 billion years old – far older than the ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

SETI Institute's radio scans of interstellar comet 3I/ATLAS found no evidence of alien technology, confirming its natural origins.

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...