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 ...

The other two known interstellar comets did not offer such an opportunity.

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

Astronomers spotted comet C/2025 R3, potentially visible without telescopes. It will approach Earth and Sun in April 2026, creating a spectacular celestial show for global skywatchers and astronomy ...

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. You’ve likely already heard about two comets visible from ...