Jo Marchant, author of The Human Cosmos, and Smithsonian science editor Carlyn Kranking revel in auroras through the ages and ...

Watch a comet join the aurora australis for a brilliant night sky display caught on camera on Saturday, Feb. 1. Comet C/2024 ...

Stargazers across the Southern Hemisphere have been treated to views of a comet throughout the opening weeks of 2025. This past weekend, the cosmic spectacle became even more stunning as it ...