For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

NASA’s Lucy spacecraft made a pivotal encounter with the main-belt asteroid Donaldjohanson. Capturing high-resolution images ...

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...