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.

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere ...

T he best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark ...

Comet C/2025 A6 — also known as Lemmon — will make its closest approach to Earth on Tuesday night, Oct. 21, and will continue ...

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

There’s been a new comet in the sky over the past few weeks, but now is the prime time to see it for yourself.

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

NEW YORK (AP) — Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's ...