The NFL authorized players to wear Guardian Caps during games this season in an effort to reduce head injuries. Here's a look at what they are and how they're used.

Special intestinal cells collect excess minerals into particles the snakes can poop out, according to a new study ...

Discover the game-changing VS Code extensions that every Python developer needs. Boost productivity, catch errors in real-time, and make coding more intuitive with these must-have tools.

Explore news and insights on climate change, environment policies, global warming and sustainable practices with The New York Times Climate and Environment section.