Interstellar Comet 3I/ATLAS Lights Up December Skies: New Images, ‘Ice Volcanoes’ and Life‑Linked Molecules
Published December 7, 2025 Interstellar comet 3I/ATLAS – only the third confirmed visitor ever seen passing through our Solar System from another star – is putting on its biggest show yet this December. As it brightens again after looping behind the Sun, astronomers are releasing a flood of new results: Hubble and ESA’s Juice spacecraft have snapped fresh images, radio telescopes have detected the comet’s first “radio signal,” and new chemistry measurements reveal surprisingly large amounts of methanol and hydrogen cyanide, molecules tied to both the origins and the destruction of life. Live Science+3Live Science+3IFLScience+3 At the same time, speculative claims that 3I/ATLAS might be an