If you haven't ventured out and looked up at the skies over the last week at night — or really all of 2024 — you're missing out on quite the show. First, there were the northern lights that danced and ...

Two comets are going to reach their closest approach to Earth this week around the same time, and they promise to be spectacular. Comets are called C/2025 A4 (Lemmon), and C/2025 R2 (SWAN), according ...