For the first time in the history of space exploration, a robot on the surface of another planet looked up and photographed a visitor from beyond our solar system. In late May 2026, NASA’s ...

Twelve NASA missions have captured detailed views of comet 3I/ATLAS, the third known interstellar visitor, as it travels ...

Several of NASA's space-based missions have observed Interstellar Comet 3I⧸ATLAS. As it approaches Mars, orbiters and rovers may catch a glimpse as well. Credit: NASA/JPL-Caltech ...

China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and glowing coma, offering scientists a glimpse of ...

Add Yahoo as a preferred source to see more of our stories on Google. Those hoping an infamous interstellar object that visited our cosmic neighborhood in 2025 was an extraterrestrial attempt to ...

Add Yahoo as a preferred source to see more of our stories on Google. Strange isotope signals in 3I/ATLAS suggest the interstellar comet formed around an ancient, metal-poor star. (CREDIT: Wikimedia / ...

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 ...

Interstellar Comet 3I/ATLAS Found to Be up to 12 Billion Years Old By Will Dunham WASHINGTON, June 22 (Reuters) - Scientists studying the comet 3I/ATLAS have determined that this interstellar visitor ...

Comet 3I/ATLAS has much more "heavy" water than comets that formed in the solar system, according to a new study. Hans Anderson, Michigan News Our time with our interstellar visitor, comet 3I/ATLAS, ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

Learn how Comet 3I/ATLAS began to emit methane as it approached the sun, releasing compounds contained within its inner layers. Comet 3I/ATLAS will soon leave our Solar System for good, but new clues ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...