Astronomers say 3I/Atlas, the interstellar object passing through our solar system, has changed color again, raising new questions about its composition and behavior.

As 3I/ATLAS moved closer to the Sun, it raised doubts about whether it’s following a natural path or performing an Oberth Maneuver ...

Comet Lemmon can be found west of the Big Dipper, beyond bright star Arcturus, while Comet SWAN is moving towards Saturn, and ...

Comet Lemmon is moving quickly west of the Big Dipper, near bright Arcturus, while Comet SWAN lies beneath the three stars ...

Created by Vince Gilligan (“Breaking Bad”), this new Apple TV drama is about the mysterious arrival of peace on Earth and the ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

The best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark area and use your eyes. This is the best comet of 2025, and it is making its ...

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

A celestial visitor, comet Lemmon, is gracing Earth's night sky. Despite its name, suggesting a yellow lemon floating in the sky, it has no a･･･ ...

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth asteroids. Comet SWAN, also known as C/2025 R2, was spotted in September by an ...

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 ...