Experience the brilliance of comet C/2023 A3, visible nightly this October, with its closest approach to Earth on October 12.

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

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, 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 ...

To photograph the comet, Alton Spencer left Danbury, finding darker and elevated spots in Bridgewater and Warren.

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 ...

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･･･ ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...