The new film “Ocean With David Attenborough” is both a breathtaking celebration of marine life and a sobering exposé of the ...

PEOPLE has an exclusive first look at "Ocean with David Attenborough," a new National Geographic documentary featuring the 99-year-old naturalist exploring how to protect the world's oceans.

At least 1,500 species of fish are known to be bioluminescent ... says marine biologist Edie Widder, founder of the Ocean Research and Conservation Association. Their real bioluminescence comes ...

As soon as he saw the hulking, bone-white carcass of an ocean sunfish sloshing in the ... with the California Academy of Sciences and a National Geographic Explorer. “We also don't have a ...

These monstrous Pacific Ocean fish, which can reach up to 10 feet ... After weeks of surveying the coast off the Bazaruto Archipelago, National Geographic Explorer and ray expert Andrea Marshall ...

(Read about more surprising animals sleep habits.) Even in the ocean’s depths, where sunlight never reaches, fish still probably undergo some form of rest—though it may not look like anything ...

may be shrinking to survive ocean heat waves. As she checked the measurements again, Ph.D. student Melissa Versteeg was worried something was wrong with her figures. The fish seemed to be ...

National Geographic photographer Brian Skerry ... waters that eventually flow into the Gulf of Maine. These fish live in the ocean but return to fresh water to spawn. Once depleted, the species ...

Often encompassing large swaths of ocean (and even lakes and ponds), dead ... gobble the abundant phytoplankton, and then small fish consume the zooplankton. The rapid increase in algae produces ...

The group also worked with National Geographic Society’s Pristine Seas project, an initiative to protected 20 of the ocean's wildest ... MPAs help keep essential fish populations well stocked.

He previously worked in the fishing industry, which is in decline. Fishermen have to go further out into the ocean to find fish, a result of overfishing for many decades. A snapshot of the traffic ...

Since 2005, National Geographic Explorer Zeb Hogan has been searching the world to find the world’s largest fish. In mid-June ... world where part of the mid-ocean ridge stands above the ...