Cornell University researchers have published a new study which shows how the toothy, lighting-fast barracuda attacks its prey -- it slices it in half, scissor-style.
Attempts to fertilize eggs of a rare female sturgeon caught in the Chesapeake Bay last year proved unsuccessful. Now researchers aim to use that experience in future efforts. Jorge Ribas follows up.
A record 96 mushers and their sled dog teams are embarking on a 1,100-mile journey across the Alaskan wilderness. Kasey-Dee Gardner was there at the starting line.
Can you REALLY tell if your friend is lying to you? As it turns out, probably not. James Williams isn't lying when he says deception is a tricky thing.
Food puzzles, habitat design and sensory training are just a few of the ways the Smithsonian's National Zoo enriches the lives of its animals. Jorge Ribas finds out more.
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