The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

Mystery as NASA discovers ‘sculpted’ alien rock on surface of Mars - The rock is made out of elements also found in Earth’s ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as U.S. space agency officials ...