ST. LOUIS — The Saint Louis Zoo announced on Thursday that one of its harbor seals has died. The 14-year-old harbor seal, named Gabby, died from asymptomatic heart disease during a necessary ...

All known species of sharks are either carnivorous, meaning they eat larger marine animals such as fish, seals, and turtles, or planktivorous, meaning they feed primarily on tiny species of plankton.

The amount of carbon dioxide in the atmosphere has continued to accelerate, increasing by a record amount last year. Trees, plants and tiny plankton in the ocean all convert CO2 into the oxygen we ...

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Mike MacEacheran was a guest of Quark Expeditions, which has the 12-day Antarctica by Helicopter: Icebergs, Mountains & Remote Lands cruise costs from £10,495pp, with four departures in November ...

Similarly, Weddell seals and crabeater seals often continue resting ... strict ethical guidelines to ensure interactions remain on the animals’ terms. Emperor Penguin chicks in Antarctica. Image by ...

A Turkish scientific expedition to Antarctica in February this year looked for the effects of bird flu on animals such as these crabeater seals. Picture: Sebnem Coskun/Anadolu via Getty Images.