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 ...
Space.com

The solar system is teeming with 1 million 'alien invaders' from Alpha Centauri

"These objects really could be anywhere in the solar system at any given time." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One million alien ...
Space.com

'There are lots of mysteries in our backyard': Revised solar system chemistry explains long-standing puzzles

"We have been calling Uranus an ice giant, but we don't really know its nature." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers say ...