The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Comet C/2024 E1 (Wierzchos) will pass close to the Sun on January 20, 2026, in a brief but powerful solar encounter that will ...

Comet C/2025 A6 (Lemmon), captured from the Dark Sky Alqueva Observatory in Portugal on October 2, 2025, glows green as it nears its closest approach to Earth. Here’s how to see this rare green comet ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Comet C/2025 A6 (Lemmon) ...

Astronomers are closely observing Comet C/2025 R3 (PanSTARRS), a recently detected object that could get the nickname “Great Comet of 2026.” Discovered in September 2025, the comet is anticipated to ...

A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Central Coast before it disappears — and won’t be seen again for more than a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet Lemmon (C/2025 A6) as imaged using a Seestar S30 smart ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...