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 ...

Record-breaking ocean heat has taken a devastating toll on one of the world’s greatest natural wonders, with coral bleaching on Australia’s Great Barrier Reef reaching “catastrophic” levels, a new ...

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 ...