Skywatching News 5 October 2025 - 25 December 2025

On December 25, 2025, Comet 3I/ATLAS is already on its way out—yet it remains one of the most intensively monitored visitors of the year. After making its closest approach to Earth on Dec. 19, the rare interstellar comet continues to

On Sunday, December 21, 2025, the interstellar comet 3I/ATLAS is already on the “goodbye” leg of its once-in-a-lifetime pass through our solar system—two days after its closest approach to Earth. The comet is still observable with amateur gear, but it’s

In the early hours of Friday, December 19, 2025, an icy visitor from beyond our Solar System swept through our cosmic neighborhood—not close enough to scare anyone, but close enough to thrill astronomers. Comet 3I/ATLAS (also known by its formal designation C/2025 N1

Published: November 26, 2025 Interstellar comet 3I/ATLAS has just gone from “cool space story” to a centerpiece of planetary‑defense practice, scientific debate and sky‑watching buzz. Today, the United Nations–backed International Asteroid Warning Network (IAWN) confirmed that 3I/ATLAS is the focus of a formal observing campaign

Updated: November 10, 2025 — No threat to Earth; closest approach remains mid‑December. Key points at a glance What’s new today (Nov. 10) Radio proof of “cometness.” After weeks of speculation, astronomers have the clearest radio evidence yet that 3I/ATLAS behaves