Interstellar Comet 3I/ATLAS Glows in X-Rays and Life‑Building Molecules as Earth Flyby Nearby
As of December 10, 2025, a rare interstellar comet is putting on a quiet but scientifically spectacular show across the solar system — from X‑rays to organic chemistry. A Once‑in‑a‑Lifetime Visitor From Another Star Interstellar comet 3I/ATLAS , also cataloged as C/2025 N1, is only the third confirmed interstellar object ever seen passing through our solar system, after 1I/ʻOumuamua and 2I/Borisov.xrism.jaxa.jp+ 1 Discovered on July 1, 2025 by the NASA‑funded Asteroid Terrestrial‑impact Last Alert System (ATLAS) telescope in Chile, the comet’s hyperbolic trajectory and high speed show that it is not bound to the Sun’s gravity ; once it leaves,