Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Astronomers have noted that a jet stream, part of the comet’s anti-tail, appears to be pointing toward the Sun—behavior that ...

Astronomers observing the visiting comet have detected shifting jet structures inside an unusual anti-tail, offering fresh insight into material formed beyond our solar system.

The universe continues to surprise us, and the recent observations of interstellar comet 3I/ATLAS are no exception. As this celestial traveler moves away from our So ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly confirmed to be just the third interstellar visitor to our solar system, after ...

Comet 3I/ATLAS, a 33-billion-ton object that's older than our solar system, will make its closest approach to Earth on Friday. Scientists are captivated by its unusual "anti-tail." It's a phenomenon ...

“ At the time of observation, just before its closest approach to Earth on December 19, it was approximately 270 million ...

Interstellar comet 3I/ATLAS might be older than our Sun and is estimated to be between eight and 14 billion years old and ...