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

The latest telescope image of the interstellar comet 3I/ATLAS revealed that the object was ejecting a dramatic amount of ice ...

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.

In a breathtaking display of cosmic phenomena, interstellar comet 3I/ATLAS is currently jetting off ice and dust towards the sun, as revealed by a recent image captured by the Gemini North telescope ...

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 ...

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 ...

This year, the October sky could offer a rare spectacle: two comets are expected to become visible simultaneously. The first, discovered recently, follows an extremely long orbit. The second, detected ...