A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

This giant anteater might have some cat DNA in its ancestral bloodline. Watch him "play" with a coveted empty cardboard box.

The anteater has no teeth and its highly unusual, long thin skull is specialized for its feeding habits. The jaw has extremely limited mobility, and its mouth is very small, so it relies on the ...