A new cognition study looked at how age relates to learning, reasoning and memory in pet dogs.
A South African reserve provides the backdrop for a fascinating standoff in nature.
Young humpback whale calves frequently engage in extended sequences of breaching, even at a very young age.
These creatures won't win any Grammy awards for their vocals, but the fact that some of them sing, or sort of do, at all might surprise you.
A Brazilian frog will do almost anything to grab the attention of females, including singing, toe tapping, arm waving and squealing.
Scientists get an unprecedented look at how New Caledonian crows fashion hooked stick tools to hunt insects.
We take a fond look back at some of the year's best animal footage shot in the wilderness, on the water, and even in suburban backyards.
A plucky pig named Rita lands hard but comes out ahead.
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