Comet 3I/ATLAS: Facts by NASA about the interstellar object that briefly passed Earth

Comet 3I/ATLAS, a rare visitor from another star system, is passing through our solar system. Discovered in July 2025, this interstellar object is the third of its kind. Scientists are studying its speed, trajectory, and composition. The comet is not dangerous to Earth. Its brief visit provides a unique opportunity to learn about the universe beyond our Sun.