Biologists at the Kenai National Wildlife Refuge are capturing and banding some of the world’s smallest birds.

Hammerhead Sharks Up Close With Bertie Gregory, the National Geographic on the ocean’s most intriguing creatures, airs tonight, Saturday, July 4 at 9 p.m. Sign up to watch on Disney+ with promotional ...

National Geographic Explorers celebrate the greatest American treasures—mountains, forests, wetlands and canyons—from sea to ...

Gregory discusses visiting the Baja Peninsula, the shark fishing trade, and his new Act 4 Wildlife initiative.

The Calliope hummingbird is a mighty flier! See what a Calliope hummingbird looks like, where to find the tiny birds, and how ...