Researchers from the Schmidt Ocean Institute spotted the animal while using an underwater robot to scour the seabed.

A giant female Chinook salmon flips on her side in the shallow water and wriggles wildly, using her tail to carve out a nest in the riverbed as her body glistens in the sunlight. In another ...

Researchers have discovered the world's largest coral reef in the southwestern Pacific Ocean, Azernews reports.

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...

The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest animal.

National Geographic Pristine Seas expedition team located a massive coral colony that's longer than a blue whale, Earth's largest mammal.

At 111 feet wide, 104 feet long, 18 feet high, and 600 feet around this stunning organism in the southwest Pacific Ocean is ...

Scientists have discovered one of the largest known sea creatures – a coral the size of two football fields – off the Solomon ...

Exclusive photos reveal a sprawling, 300-year-old coral near Solomon Islands, recently discovered by the National Geographic ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — ...

Researchers have discovered an unlikely new species within the ocean's midnight zone: a glowing "mystery mollusk." ...