"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.

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.

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.

But first, scientists recently discovered the largest known deep sea coral reef in the world. It’s called Million Mounds, and it stretches all the way from Miami to Charleston, South Carolina. It’s ...

The largest deep-sea coral reef to date was mapped off the U.S. Atlantic coast. It not only provides benefits to sea life, but humans and planet Earth, as well.

NPR's Scott Detrow talks with Temple University biology professor Erik Cordes about the discovery of the world's largest known deep-sea coral habitat.