Earth objects, astronomers recently discovered a comet visiting from interstellar space. This is only the third interstellar object ever discovered, following ‘Oumuamua and Comet 2I/Borisov. Each of these interstellar visitors offers a chance to learn about another star system without having to go there ourselves,

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat to our planet.

Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets unique visitors from other star systems, their composition, and their hyperbolic paths through our solar system.