Astronomers are preparing for a rare cosmic event on January 22, when interstellar object 3I/ATLAS will align closely with Earth and the Sun, passing within just 0.69 degrees of the Sun-Earth axis.

The third interstellar visitor to our solar system, 3I/ATLAS, is behaving with a precision that defies random orbital mechanics, according to a new study led by Harvard Professor Avi Loeb. In a paper ...