NASA’s James Webb Space Telescope has captured the first mid-infrared chemical fingerprint of an interstellar object, directly detecting methane gas streaming from comet 3I/ATLAS. The comet, ...

The arrival of a visitor from beyond our solar system is a cosmic event of staggering rarity, yet it has just happened for only the third time in human history. Imagine a silent, billion-year journey ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

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A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have formed in a place far colder and stranger than anything around our Sun. The ...

On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system. Shortly after being alerted by automated detection systems, astronomers at the ...

Interstellar comet 3I/ATLAS is seen in this composite image captured on Nov. 6 by the Europa Ultraviolet Spectrograph instrument on NASA’s Europa Clipper spacecraft, from a distance of around 102 ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...