Object CWISE J1249 is a bit of a mystery; all we know is that it has some unique properties and it's moving really fast. Like, really fast. Reading time 3 minutes It doesn’t take a rocket scientist to ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A Soviet-era ...
Two Russian military satellites just danced within 10 feet of each other in orbit. See why space trackers are alarmed.