The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

The European Space Agency (ESA) is preparing for one of its most ambitious scientific adventures yet, the Comet Interceptor ...

A rare interstellar comet reaches its closest point to the sun on Wednesday and Thursday — and it's exciting astronomers around the world. Comet 3I/ATLAS is just the third confirmed interstellar ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening dramatically and rapidly as it did so. The reason for the sudden extreme activity ...

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...

Tune in on Nov. 18 to witness detailed telescopic views of interstellar comet 3I/ATLAS as it races headlong away from the sun on an escape trajectory from our solar system, courtesy of a livestream ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

NASA and Gemini North reveal stunning new images of interstellar comet 3I/ATLAS glowing with an eerie green light. Discover ...

New analyses from SOHO and the Green Bank Telescope indicate interstellar comet 3I/ATLAS behaved like a normal comet as it ...

Even as a brilliant, naked-eye comet slices through Earth's sky (cheers, Comet Lemmon!), the most famous object in the solar system right now is hidden on the far side of the sun: the interstellar ...