North American bird populations are plummeting, especially in drylands, grasslands and the Arctic where they have historically been most abundant, new research has found.

Hummingbirds’ minuscule nests are remarkable works of nature’s art. Here’s what to know if you’re lucky enough to spot one in your garden.

Approximately 40% of all birds migrate, whether it’s a quick trip to a warmer location or a long, grueling journey. Birds ...

While preparing to welcome the surge of visitors that this annual celebration brings, the refuge is facing a funding shortfall that threatens daily operations.

An 80,000-year-old bone point found in Eastern Europe challenges the idea that migrating Homo sapiens gave the technology to Neandertals.