In a scientific first, NASA has assembled a full-spectrum view of interstellar comet 3I/ATLAS—a relic from beyond our solar system—by orchestrating a rare multi-mission campaign that spans from Mars to the fringes of deep space.

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was truly out of this world, revealing clues to the object’s composition, reve...