A pair of sloth bear cubs were born at Smithsonian's National Zoo last month, on Dec. 7, the zoo shared in a press release.

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

David “Dave” G. Sorensen, 84, beloved husband of predeceased wife, Elizabeth, went home to be with his Lord and Savior on ...

These 10 standout images were among thousands of stunning submissions in National Geographic’s Your Shot Pictures of the Year ...

From encouraging ideas about climate solutions to dystopian views of the future, climate leaders found a lot to read over the past year.

The world’s largest bee is a solitary insect known from a small cluster of islands in eastern Indonesia. Wallace’s giant bee, ...