Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...

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 ...