NASA is now combining spacecraft chemistry readings with stellar catalog data to trace interstellar comet 3I/ATLAS back to the star system that launched it into deep space. The comet, reported to the ...

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, ...

NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also ...

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NASA’s James Webb Space Telescope has made another significant discovery about the interstellar comet 3I/ATLAS: it contains methane. Researchers said on June 1, 2026, that this is the 1st time ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer (Juice) spacecraft and NASA's Europa Clipper made unique observations of ...

Newswise — As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to turn NASA’s powerful James Webb Space Telescope in its direction and ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned out to be a comet, 3I/Atlas, and it provoked interest from astronomers and ...

Pictures of 3I/ATLAS will soon be all we have to remind us of the strange interstellar comet and its brief visit to our cosmic neighborhood. Fortunately, thanks to the world's space agencies, we'll ...

In July 2025, astronomers spied an object at about three times Mars’ distance from our sun. And, once they had tracked its path through space, they knew it originated in another star system. 3I/ATLAS, ...

Those hoping an infamous interstellar object that visited our cosmic neighborhood in 2025 was an extraterrestrial attempt to contact Earth are in for more disapointment. The evidence is mounting to ...