"Many [deep-sea corals] live for hundreds of years, with some colonies living over 4,000 years," NOAA says, with latest discovery revealing nearly 84,000 individual coral mound peak features.

One moment you're walking through dense greenery, then suddenly a clearing opens up a panorama of the Coral Sea coast. In the tropical north-east of Australia, a new long-distance coastal trail is ...

Australian sea lions wearing video cameras showed scientists a whole new world on the ocean floor.; The footage revealed surprisingly diverse habitats like sponge gardens, coral reefs, and kelp ...

An alfonsino fish swims above Lophelia pertusa coral off the southeastern coast of the U.S., in June 2019. Scientists have mapped the largest coral reef deep in the ocean, off the U.S. Atlantic Coast.

We started at about 900 meters depth and climbed up the side of one of these large coral mounds almost 100-plus meters, which is, you know, 300, 350 feet up, to the top of the coral mound.

This 2011 astronaut photo shows the atolls of Rowley Shoals lined up in a near-perfect line off the coast of Australia. The island trio was once part of an ancient barrier reef system that stretched ...

Australia’s Great Barrier Reef faces critical danger from back-to-back bouts of extreme ocean heat. Ocean heat in the Coral Sea is at its highest in four centuries, scientists report in the Aug ...