A partially bleached staghorn coral that was planted by scientists is visible, Aug. 4, 2023, on Paradise Reef, near Key Biscayne, Fla. Scientists from the University of Miami established a new ...

Extreme heat, earlier than expected, is causing corals to die off by the hundreds. ... 18 were already bleached, and 21 were partially bleached.

Tropical coral reefs encrust the coastlines of islands and continents near Earth’s equator but this zone, which has offered ...

A partially bleached staghorn coral in Florida (Wilfredo Lee / AP file ) The last such global event occurred from 2014 to 2017 — a period that, like this year, ...

Last summer’s extreme heat also bleached and killed many of the corals within parts of the Mesoamerican Reef—the Western Hemisphere’s largest barrier-reef system, which stretches from the ...

A canopy is used to shade a partially bleached elkhorn coral in the Dry Tortugas in August 2023 as part of a U.S. Geological Survey study looking at whether shading can be used to help coral ...

At the Cocalito reef, partially or fully bleached sea fan corals (genus Gorgonia) are scattered among the ultra-healthy elkhorns. Image by Fritz Pinnow for Mongabay.

Coral die-offs—caused by a process known as bleaching—tend to look as bland and lifeless, in contrast to the vibrant rainbow colors of thriving coral. Bleached coral reefs usually appear as an ...

The summer of 2023 was deadly for many corals in the Caribbean Basin. An unprecedented heat wave, in intensity as well as in duration, hit the Caribbean with catastrophic effects.

A year after the worst coral bleaching ever recorded, Florida's reefs are slowly recovering. Despite elevated ocean temperatures, scientists say this summer they didn’t see significant bleaching.

A partially bleached staghorn coral that was planted by scientists is visible, Aug. 4, 2023, on Paradise Reef, near Key Biscayne, Fla. Scientists from the University of Miami established a new ...