A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

Initial observations suggest the comet, called C/2025 F2 (SWAN), will continue getting brighter as it approaches the sun.

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? In a paper ...

One of the oldest known meteor showers, the Lyrids, will peak in the very early hours of Tuesday, April 22, when around 18 “shooting stars” are expected each hour.

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

The newly discovered comet, C/2025 F2 (SWAN), is racing toward the Sun, and it may not survive its closest approach.

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, ...

Astronomers suspect the comet came from the Oort Cloud, a reservoir of icy bodies thought to exist at the edge of our solar system far from the warm reach of the sun. “Every now and then ...