An endangered fin whale that washed up near a coastal trail in Alaska’s largest city has attracted curious onlookers while biologists seek answers as to what caused ...

A coral, or reef-forming organism, is a marine animal that thrives in warm, shallow waters. These incredible underwater ...

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 ...

Scientists from National Geographic reportedly discovered the world’s largest coral head in the Solomon Islands in October.

While this ocean mammoth is dubbed “blue,” its color is more a reflection of the water it swims in — its skin is actually ...

Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a ...

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.

The enormous organism is bigger than a blue whale and made up of millions of genetically identical, tiny animals called ...

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 ...

It’s more than 100 feet long, around 300 years old, made of nearly 1 billion little polyps and visible from space ...

Using measuring tape, scientists found that the coral colony spans about 111 feet wide, 104 feet long and 18 feet high — ...