On the outer edge of the solar system, the first manned mission to Pluto, led by the youngest female astronaut in NASA history, has led to an historic discovery: there is a marker left there by an alien race for humankind to find. We are not alone!
On the outer edge of the solar system, the first manned mission to Pluto, led by the youngest female astronaut in NASA history, has led to an historic discovery: there is a marker left there by an alien race for humankind to find. We are not alone!