The James Webb Space Telescope observed a large amount of methane around 3I/ATLAS, revealing just how different it is from ...

Interstellar comet 3I/ATLAS carries water with a deuterium-to-hydrogen ratio at least 40 times higher than that of Earth’s ...

NASA’s James Webb Space Telescope has captured the first mid-infrared chemical fingerprint of an interstellar object, ...

The comet arrived from interstellar space last year into our solar system, prompting earthling scientists to take a close ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

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 ...

PUNCH’s observations of comet 3I/ATLAS from Sept. 28 to Oct. 10, 2025, when the comet was between 231 million to 235 million miles from Earth. Each frame is a daily stacked image, made up of multiple ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An interstellar object known as 3I/ATLAS has gathered a significant ...

This is a Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Hubble photographed the comet on July 21 2025, ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system — but some astronomers think a part of it might still be ...