BETHESDA — After years as a backup, Emmitt is flourishing as top dog for Team Weaver.

Researchers have identified over 70 new species, from ancient dinosaurs to living mammals and insects preserved in amber ...

This cheeky squirrel found a spacious, vacant woodpecker mansion and quickly moved in, transforming it into his cozy treetop penthouse. He then admired his stylish new neighborhood in The Villages.

SD: Yeah, so one urban study estimated gray squirrels retrieve about 85 percent of their cached nuts, or, you know, whatever ...