Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.

Andean condors are the biggest raptors in the world — and are vital to their ecosystem ...

Pablo “Popi” García Borboroglu and Bertie Gregory have been named the 2025 Rolex National Geographic Explorers of the Year. Borboroglu has been an Explorer since receiving the National ...