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 ...

For years, we thought a giant comet object smacked into Earth 66 million years ago, signing the collective death certificate ...

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 ...

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

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

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

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

Credit: Michael Jäger/Gerald Rhemann An amateur astronomer has discovered a bright green comet dive-bombing toward the inner ...

One of the great things about astronomy is that it’s always full of surprises, especially when it comes to comets — you just ...

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