Years ago, as a student at the University of the Ryukyus in in Okinawa, Japan, Ai Takahata was researching the color patterns ...

Anglerfish have invisible fangs, narwhal tusks are extra-long canines, and more facts from the weird and wonderful study of ...

Photographs of seahorses taken by scuba divers revealed evidence of a long-lost species of marine worm that hasn’t been seen ...

As climate change bears down on Antarctica, understanding why some penguins end up meandering so far from their natural ...

The world's biggest coral — an organism made up of about a billion polyps — is about three times bigger than the previous record-holder and was discovered by chance during an expedition off the ...

The behemoth coral, discovered in October in the Solomon Islands, is longer than a blue whale and older than the United States.

Scientists have discovered one of the largest known sea creatures – a coral the size of two basketball courts – off the ...

National Geographic’s photography community is now on Instagram at @NatGeoYourShot. Please follow us there for the latest photos from the community and tag your photos #YourShotPhotographer for ...