Kobayashi and his colleagues christened the new therizinosaur, Duonychus tsogtbaatari. The genus name means “double claw”, ...

A baby hummingbird might have a special way of warding off predators, which threaten tropical hummingbird species in infancy.

New research sheds light on one of the biggest questions in biology: where did complex life come from? The answer may lie ...

Researchers said the species was “abundant” but “difficult to capture” as it evaded their light traps in the tree canopy.