Inside Las Vegas's Dry Lake Valley, the population of these apex predators is showing a steep decline. Researchers find out ...

Something is stopping Dry Lake Valley’s golden eagles from reproducing and killing raptors that fly in to fill the void.

MINNEAPOLIS — Look at the armpits — or, technically, the “wingpits.” That’s what Scott Mehus, education director at the National Eagle Center in Wabasha, Minn., told a group of bird watchers recently ...