In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a reddish tint to a faint green glow. That visible change signals the comet is reacting to solar heat and releasing new gases in space, giving scientists fresh clues about what it is made of and how it behaves.

We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and roofs of houses. Here we meet the protagonist of this story, farmer and astronomer Johann Georg Palitzsch.

A mesmerizing deep-space photograph of Comet C/2025 R2 (SWAN), captured in front of the Eagle Nebula, has sent shockwaves through the astrophotography community. The image, snapped by professional astronomer Daniele Gasparri,