SEATTLE — A 20-year-old sloth bear at the Woodland Park Zoo has died, zoo officials announced on Friday. Tasha, a female ...

Long before they were nature’s slowpokes, sloths were megafauna monsters — towering creatures capable of defending themselves ...

A study in the journal Forests highlights the critical need for understanding and managing nonnative forest specialist and ...

To describe the forest’s behavior, the researchers used physics — quantum field theory to be more precise. In this context, ...