How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here are all of your questions answered.

NASA scientists have discovered a rare visitor from beyond our solar system, a new interstellar comet speeding by on a brief cosmic tour.

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s the question that’s been put in the limelight by the recent discovery of 3I/ATLAS,