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 ...

While Comet C/2025 R2 (SWAN) made its closest pass to Earth on October 20, 2025, at a distance of approximately 39.1 million kilometers (0.26 AU), it remains a visible, albeit challenging, target for ...