Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

For his next trick, your cosmic correspondent for the past quarter-century will (try to) retire. By Dennis Overbye As the day shrinks into its annual darkness, here’s what I know about the ...

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