In the early-morning sky above India’s remote tribal plateau, an amateur astronomer adjusts his telescope. With the Milky Way’s haze overhead, his instrument catches a faint speck moving against the star field—an interstellar wanderer racing through our solar system. That speck is 3I/ATLAS, the third confirmed object ever known to have come from beyond our Sun’s domain. When the alert broke on 1 July 2025 from the Chilean observatory of the Asteroid Terrestrial‑impact Last Al
