S1 (ATLAS) has met its demise after traveling too close the sun. Imagers aboard the Solar and Heliospheric Observatory (SOHO) ...

We have been moderately lucky with comets in the last several months. We had Comet Tsuchinshan-ATLAS last October shining ...

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

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

A newly discovered comet is fascinating astronomers and amateur stargazers alike as it remains a brightening feature in the northeast night sky.

Last year there was much ballyhoo over the so-called “devil comet,” some will-it-won’t-it drama of Tsunchinshan-ATLAS, and the sudden discovery (and quick demise) of a third comet that failed to meet ...

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

Last year there was much ballyhoo over the so-called “devil comet,” some will-it-won’t-it drama of Tsunchinshan-ATLAS, and the sudden discovery (and quick demise) of a third comet that ...

Minor Planet Center officially designated comet SWAN25F as C/2025 F2 (SWAN) on April 8. SWAN is an instrument particularly designed to study the Sun ...