Comets and asteroids

1 Dec 00:00 AEDT (30 Nov, 13:00 UT) 15 Dec 23:00 AEDT (12:00 UT) 31 Dec 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

The comet dubbed 3I/ATLAS, a rare extrasolar intruder, continues to barrel through the Solar System, attracting interest and speculation from astronomers and space scientists worldwide. Harvard astron

If you thought 2025 was a roller coaster, wait until 2026 gets started. Uranus, Neptune and Pluto are aligned taking us into a new era. Earthquakes may change the shape of parts of the world, while se

You may have bought this December issue of BBC Sky at Night Magazine because you’ve been given – or you’ve treated yourself to – a new telescope for Christmas. And you may be wondering what to do with

Cecil Navick and Francis Bozon, captured remotely via Obstech, El Sauce Observatory, Chile, 4 May–28 June 2025 Cecil and Francis say: “We chose NGC 6164 because it’s rarely photographed, plus it’s a t

For the week 2 December with Natalie Tambini