Hammerhead sharks look strange, but their biology is downright fascinating. From their wide-set eyes for panoramic vision to unique sensory pits and brain wiring, this video uncovers what evolution ...

A first-ever analysis of the whole Greenland shark genome gives researchers a couple of clues to their longevity. When this Greenland shark was born, Leonardo painted the Mona Lisa. The species is the ...

Deep in the waters off Panama, Robert Field takes kayak fishing to the next level. Giant tuna explode from the depths while hammerhead sharks circle just feet away. This trip pushes every limit and ...