The firework jellyfish is rarely seen by humans, but its bioluminescence could put any July 4th show to shame.

The world is experiencing the most intense global coral bleaching event on record, with 84 percent of reefs experiencing heat ...

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

Harmful bleaching of the world’s coral has now grown to include 84% of the ocean’s reefs in the most intense event of its ...

Scientists reveal warm ocean temperatures are rising faster than expected and warming oceans driven by climate change and ...

Scientists forecast that at 1.5 degree celsius of warming above pre-industrial levels, which the Earth reached last year, ...

Meteorologist Taylor Stephenson explains what defines a "Cold Water Danger" day and highlights when ocean temperatures will ...

Sea surface temperatures rose between 9 and 14 degrees Fahrenheit (5 and 8 degrees Celsius) over a period of a few thousand years, killing off numerous single-celled marine organisms called ...

Coral reefs around the world are losing their color at an unprecedented scale as a result of rising sea temperatures, federal ...

The average annual sea surface temperature of oceans away from the poles was a record 20.87 degrees Celsius (69.57 degrees Fahrenheit). That’s deadly to corals, which are key to seafood ...