Self-replicating probes could be operating right now in the solar system; here's how we could look for them

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...
CNN

History-making probe achieves closest-ever approach to the sun

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Parker Solar ...