If you want to see two comets, your best chance will be early this week. After a year without any comets bright enough to be seen without specialist equipment, two — Comet C/2025 A6 (Lemmon) and Comet C/2025 R2 (SWAN) — have come along at…
Double comet alert! Comets Lemmon and SWAN will be at their closest and brightest this week. Here’s how to spot them.
