Comet Lemmon (C/2025 A4) will make its closest approach to Earth on November 8th, and is currently visible to the naked eye ...

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.

Update for Oct. 21: Due to cloudy weather, this livestream was rescheduled for Oct. 24, beginning at 1:30 p.m. EDT (1730 GMT). Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach ...

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

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.

In the season of the festival of lights, two rare comets are illuminating the skies over India (and the rest of the world).

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 known as the Oort ...

Interstellar Comet 3I/ATLAS will reach its closest point to the Sun around October 30, 2025. Is the comet 3I/ATLAS a threat ...

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 ...

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 ...