Warming oceans cause corals to expel the colorful algae living inside of them, putting the coral at risk of death.

Corals are symbiotic animals: they get their bright colors from algae that live within them ... the colors show increasing threats of bleaching and coral mortality. Light blue indicates no stress to ...

The world's coral reefs are in the midst of the fourth and largest global bleaching event in recorded history, NOAA announced ...

An unprecedented coral bleaching crisis is gripping the planet, with approximately 84 percent of the world's coral reefs now ...

An unprecedented coral bleaching episode has spread to 84 percent of the world's reefs in an unfolding human-caused crisis ...

The current event, confirmed by NOAA and the International Coral Reef Initiative (ICRI), has already surpassed the previous ...

The International Coral Reef Initiative (ICRI) announced that bleaching-level heat stress has impacted more than 80% of the ...

A record-breaking coral bleaching event is now affecting 84% of the world’s reefs, according to the International Coral Reef ...

Global group ICRI says fourth global bleaching event is ongoing and that reefs in more than 80 nations have been affected by ...

Bleached coral dies when exposed to heat stress for too long, threatening the bountiful marine ecosystem that depends on it ...

More than 80% of the world's coral reefs fell victim to harmful bleaching and is now in "uncharted territory" with the worst ...

Coral reefs are sometimes dubbed “rainforests of the sea" — approximately 25% of all marine species can be found in, on and ...