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Our first look at the Air Force’s new B-21 stealth bomber was just a careful teaser
Colorado police sued over SWAT raid based on ‘Find My’ app screenshot
This dinosaur dove like a duck
For thousands of years, kids have been fascinated with owls
A snapshot of the world’s nuclear weapons—and how the numbers are changing
Pink snow spells serious trouble for water in the western US
The small, mighty, world-changing transistor turns 75
Here’s how a new AI mastered the tricky game of Stratego
Meet a maintainer keeping the F-35 ‘flying computer’ in top shape
5 ways cheering for your favorite World Cup team improves your health