Comets - NASA Space News
The arrival of Comet C/2025 R2 (SWAN) is more than just another comet story—it may become a naked-eye spectacle in
nasaspacenews.comHere’s the latest on comets based on recent coverage:
- Several sources report ongoing visibility and activity around notable comets in 2026, including expectations that some may become naked-eye objects under dark skies in April 2026. This includes reports about C/2025 R3 (PanSTARRS) potentially becoming a “Great Comet of 2026” during its close approach to the Sun and Earth in April 2026.[2][5]
- Other headlines note comets around the inner solar system showing signs of fragmentation or disintegration due to solar heating, a common fate for comets after perihelion passages, with imaging from telescopes capturing crumbling fragments in some cases.[3][2]
- Coverage also touches on interstellar and solar-system comets of interest, including analyses from NASA and space science outlets about composition, activity in the coma, and what these observations imply about comet formation and early solar system conditions.[1][8][3]
If you want, I can pull more specific articles about a particular comet (for example, C/2025 R3 PanSTARRS or 3I/ATLAS) and summarize their key findings, visibility windows, and how to observe them. I can also track upcoming perihelion dates and naked-eye visibility estimates for 2026. Would you like me to focus on a specific comet or provide a concise month-by-month visibility guide for the year?