A new way to preserve coral, called "cryopreservation," opens a path to year-round sample collection, critical for managing ocean threats.

Reef corals grow vigorously in nutrient poor water – new research has found out why.

This may buy us time, but many reefs are still doomed without serious action on climate change.

Trumpetfish are the first known predator to hide behind another animal when hunting.

Water temperatures in the 90s off Florida in July are alarming, a NOAA coral scientist writes. Scientists in several North American countries have already spotted coral bleaching off their coasts.

One of the most damaging invasive species in the oceans has breached a major barrier – the Amazon-Orinoco river plume – and is spreading along Brazil’s coast. Scientists are trying to catch up.

One meadow made enough sand to create a new island in 18 years.

One meadow made enough sand to create a new island in 18 years.

Considered too deep for most reef biologists, and too shallow for deep-sea researchers, most deep reefs are unprotected.