The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...
In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...
When the most dramatic close-up of an alien visitor remains behind the closed door, the vacuum is quickly filled. This has become the case with the comet 3I/ATLAS which is one of the rare bodies in ...