Astronomers worldwide reel from the interstellar comet 3I/ATLAS perihelion anomaly as this third known visitor from beyond our solar system dazzles with a shocking blue glow, its third color shift since July 2025 discovery, fuelling wild alien spacecraft theory debates amid NASA updates.
Hurtling at over 210,000 kilometres per hour, the ancient wanderer—estimated over seven billion years old—defies expectations with rapid brightening and gas outbursts near the Sun on 29 October 2025, igniting Avi Loeb's anomaly list and comet observation frenzy.
