An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

Spacecraft revealed that the comet—which a scientist suggests could be an alien spacecraft—is now "distinctly bluer than the ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

CAPE CANAVERAL, Fla. (AP) — A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail. Comet Neowise was spotted by the NASA ...

Named 3I/ATLAS, this comet is the third-ever interstellar visitor to our solar system to be observed by astronomers. By the end of this month, it'll pass behind Mars and be blocked from our view, ...

Another comet, C/2025 A6 Lemmon, is possibly becoming bright enough to be visible to the naked eye in the coming days.(WTOP/Greg Redfern) A year ago, the D.C. region was enthralled with Comet A3 ...

Newly unveiled images of the interstellar object 3I/ATLAS have revealed a spectacular cosmic event, a massive jet of gas and ...