Comet C/2025 R3 may reach rare brightness levels, offering a spectacular (and unpredictable) show before sunrise.

A newly discovered visitor from the outer solar system is racing toward the inner planets, and astronomers say it could put ...

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) ...

NASA confirms Comet C/2024 E1's perihelion on 20 January 20 will increase brightness but limit visibility; experts urge ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare last glimpse before vanishing into deep space forever.

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. Have you seen the comets yet? Comets Lemmon (C/2025 A6) and ...

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