SAN JUAN, Puerto Rico (AP) – U.S. scientists using sonar and submersibles to map a reefs off Puerto Rico’s northeast coast say they have found a 12-foot (3.6-meter) hammerhead shark, an undersea ...

A new study co-led by the Center for Coastal Climate Resilience (CCCR) at UC Santa Cruz shows coral reef restoration in Florida and Puerto Rico could save thousands of lives and prevent hundreds of ...

SAN JUAN, Puerto Rico - As the ocean floor plunges off southwestern Puerto Rico, it reveals coral reefs dotted with bright-blue sea squirts and a multitude of other organisms whose existence has given ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers in Puerto Rio are working together to rescue damaged coral reefs from the effects of climate change and rising ocean ...

Whirring over a sun-streaked patch of tropical seafloor, a submersible equipped with cameras is helping to provide the most detailed maps ever recorded of underwater shelves and struggling coral reefs ...

Days after hurricanes Irma and Maria tore through Puerto Rico in 2017, Ernesto Diaz formed a team to survey what the Category 5 storms had done to his home. Touring coastal areas, Diaz, then an ...

Researchers in Puerto Rio are working together to rescue damaged coral reefs from the effects of climate change and rising ocean temperatures. NBC News’ Maura Barrett takes a deep dive into what it ...