Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

The virus, which scientists call H5N1, has spread like wildfire around the globe in recent years, surprising and horrifying ...

Fly over Azerbaijan, where the Caspian Sea's shimmering coastline meets the rugged peaks of the Greater Caucasus Mountains, ...

The seal population has increased from about 4,000, considered nearly extinct, in the late 1980s to about 50,000.

Sailing in winter above the Arctic Circle isn’t for the faint of heart. This expedition heads north through freezing waters to one of the most extreme destinations on the planet—the world’s ...

There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...