New data from the James Webb Telescope has identified an unusually high concentration of deuterium in the interstellar comet 3I/ATLAS. New observations of the interstellar comet 3I/ATLAS by NASA’s James Webb Space Telescope have revealed an all-new twist to the ongoing story of this cosmic curiosity. Based on the latest data, detailed in a new paper on March 24, 2026, spectroscopic ... [3754 chars]