Comet Lemmon (C/2025 A6) makes closest approach to Earth on October 21
Comet C/2025 A6 (Lemmon), a long-period object discovered on January 3, 2025, by the Mount Lemmon Survey in…
A Once-In-A-Lifetime Green Comet May Soon Be Visible, Scientists Say
Topline After a quiet 2025 for comets, skywatchers may soon get a very special naked-eye spectacle in the…