Japanese researchers in Antarctica are deploying Weddell seals fitted out with high-tech head-mounted measuring devices to survey waters under the thick ice sheet at the South Pole. It allows ...

Caption A killer whale "spy-hops" to identify a Weddell seal resting on an ice floe off the western Antarctic Peninsula. The whale will notify other killer whales in the area so they can ...

One of the greatest challenges faced by the Antarctic team One of the greatest challenges faced by the Antarctic team of Frozen Planet II was filming Weddell seal mothers teaching their pups to swim.