Nell Greenfieldboyce is a NPR science correspondent. With reporting focused on general science, NASA, and the intersection between technology and society, Greenfieldboyce has been on the science ...

One of the main security requirements for symmetric-key block ciphers is resistance against differential cryptanalysis. This is commonly assessed by counting the number of active substitution boxes (S ...

The observatory's first look features the vibrant Trifid and Lagoon nebulas located thousands of light-years from Earth. A light-year is nearly 6 trillion miles.

In a future release, any connection to a Wi-Fi network using these old ciphers will be disallowed. Wi-Fi routers should be updated to use AES ciphers, available with WPA2 or WPA3. Cortana: Cortana has ...