Tens of thousands of fish have died off northwestern Australia, as a large and long-lasting marine heat wave intensifies.

In the last decade, several incidents of extreme ocean temperatures have occurred off the coast of California, commonly referred to as marine heat waves. The unusually warm waters and dramatic ...

A marine heatwave is an extreme weather event. It occurs when the surface temperature of a particular region of the sea rises ...

But last summer, amid the longest marine heat wave in decades, many were scorched — drained of color and their survival left in question. It’s a scenario becoming much more common. April 26 at ...

Marine heat waves are also a factor in extreme weather events, as the energy of warm surface water leads to hurricane formation. In August 2023, Hurricane Idalia, sitting over unusually warm ...

Coral adaptation to ocean warming and marine heat waves will likely be overwhelmed without rapid reductions of global greenhouse gas emissions, according to an international team of scientists.

Dr. Andrew Pershing, chief program officer at Climate Central said, "This prolonged marine heat wave off Western Australia is a clear sign of a warming climate, with extreme ocean temperatures ...

In 2016 and 2017, marine heat waves caused by climate change resulted in mass bleaching, which killed about half of the corals on the Great Barrier Reef, along with many others around the world.

Corals are bleached white when marine heat waves put corals under stress, causing them to expel algae from their tissue, draining their color. The culprit is the burning of planet-heating fossil ...