To save themselves, corals expel the colorful algae that they need to create food and grow. What’s left behind is a white or gray structure that looks dead — but at that point, bleached coral ...

"It was really colorful probably two years ago. And now it's all bleached white." According to the National Oceanic and Atmospheric Administration, 84% of coral reefs are now under heat stress ...

What Causes Coral Bleaching? A healthy coral's brownish base color comes from tiny, plant-like critters known as zooxanthellae. While these colorful inhabitants are each less than 1 millimeter in ...

That causes the colorful corals to turn an eerily "bleached" white hue. Bleaching doesn’t necessarily cause corals to die, but the process weakens reefs and makes the marine invertebrates more ...

Along coastlines from Australia to Kenya to Mexico, many of the world's colorful coral reefs have turned a ghostly white in what scientists said on Monday amounted to the fourth global bleaching ...

As the color fades away, the remaining coral structure turns white. While this bleached coral isn’t dead, it is in a weakened state more likely to be affected by disease or infection.

Coral reefs in particular are positively fascinating and certainly worth exploring at least once in your lifetime. In this gallery, we've gathered all of the best coral reefs around the world just ...

In the Northern Hemisphere, the summer of 2023 was the hottest on record. In the Caribbean, coral reefs sat in sweltering water for months—stewing in a dangerous marine heat wave that started ...

Researchers are working to prove that coral-eating fish spread corals’ symbiotic algae in their feces. If they’re right, it could open new opportunities for helping struggling reefs cope. By ...

That causes the colorful corals to turn an eerily "bleached" white hue. Advertisement Bleaching doesn’t necessarily cause corals to die, but the process weakens reefs and makes the marine ...