Comets: All You Need to Know

Comets are back in the spotlight — and for a good reason. Comet C/2025 R3 (PANSTARRS) is one of the most promising comets of 2026, and it could put on a fine show in late April. Some forecasts suggest it may even become visible to the naked eye under dark skies. Want to follow the latest updates? Check out our article about C/2025 R3 (PANSTARRS).

And if you’re here to learn the basics — why comets brighten, why they grow tails, and where they come from — start with this infographic. Straight away, here’s a comet-viewing tip: use an astronomy app like Star Walk 2 to watch comets. With this app, you can easily track any of the 3,000 comets in the database!