One by one, with canes, walkers, and wheelchairs in tow, these veterans carefully navigated their way to the World War II ...

The Underwater Photographer of the Year contest highlights compelling underwater images of wrecked ships and planes.

A stunning photograph of a mother humpback whale and her newborn calf win this year's Underwater Photographer of the Year ...

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...