Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

From Agency Chaos to Dark Energy Shocks: How Politics, Health, Climate Policy and Space Science Defined 2025 A look back at 2025’s biggest science stories—from federal upheaval and public health ...

We got our first look at images from the Vera C. Rubin Observatory, which will forever change how we monitor the night sky.

Oracle, Silver Lake, and Abu Dhabi’s state-owned investment firm MGX each plan to take a 15% stake. ByteDance will retain ...