The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned ...

The Tesla CEO touched on the interstellar comet - which has notably changed color, having had red dust around it but is now bright blue ...

I/Atlas has made a shift in direction and released a blue hue when it approaches the Sun, which was unexpected from a comet.

Harvard astrophysicist Avi Loeb proposes that interstellar object 3I/ATLAS could be made of antimatter—"the most efficient fuel"—while NASA scientists remain sceptical.

I/ATLAS changed color again and what is it this time? The interstellar comet has shown a new blue hue after its recent ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

The interstellar object known as 3I/ATLAS has drawn new scrutiny from astronomers after Harvard astrophysicist Avi Loeb ...

A team led by a University of Maryland astronomer discovered big complex organic compounds in ices beyond the Milky Way for ...

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...