Science News: Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy bodies that circle the Sun, t. PC: Space Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy bodies that circle the Sun, this object formed around another star before drifting into our solar system, carrying froz... [4476 chars]