After a disastrous year for coral reefs in which abnormally high ocean temperatures served a fatal blow to many of the vital underwater ecosystems, researchers have found a glimmer of hope off the ...

Hōnaunau Bay, Hawaii on 25 January, 2020. Sea urchin populations are ballooning in the bay, putting the coral reef at risk, a new study has found. - Greg Asner The turquoise water of Hōnaunau Bay in ...

Sea urchins are the “lawnmowers of the reefs,” a University of Florida scientist says. They tirelessly chew down the algae ...

Add Yahoo as a preferred source to see more of our stories on Google. For years China has had an advantage in the South China Sea as its land reclamation programme on reefs of strategic significance ...

In this image provided by NOAA Ocean Exploration, an alfonsino fish swims above a thicket of Lophelia pertusa coral during a dive on a cold water coral mound in the center of the Blake Plateau off the ...

Pandemic killed off sea urchins in the Red Sea Linked to pathogen which kills fast and violently Sea urchins feed on algae that block out sun if unchecked Researchers warn pandemic heading towards ...

In the 20th century, global sea level rose faster than at any other time in the past 3,000 years. It's expected to rise even further by 2100, as human-induced climate change intensifies. In fact, some ...

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 reefs.

Scientists mapped the largest deep-sea coral reef, which stretches over millions of acres off the Atlantic from Florida to South Carolina and is bigger than Vermont, according to the news release. "It ...

Wednesday morning’s clear skies and smooth waters were perfect for ferrying 15 huge concrete domes, or “Sea Caves,” to the bay off Goleta Beach and then dumping them overboard. These 500-pound ...