Winter is a busy time at bird feeders—here’s what ornithologists recommend to attract the widest variety of birds.

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

With the recent egg shortages and price increases in grocery stores because of bird flu, you might be looking at your ...

It may look, and smell, foul — but this spider marks the latest exciting discovery in a string of new species found in the ...