Coral reefs, once thriving underwater cities teeming with life, now face an unprecedented crisis. Scientists have declared that coral reefs have become the first major environmental system on Earth to ...

The ring-shaped coral islands known as atolls, like this one in the Maldives Islands in the Indian Ocean, may trace their formation to sea levels repeatedly rising and falling over hundreds of ...

Coral reefs may seem like paradise, but they are being degraded by a range of global and local factors, including climate ...

Most coral reefs will soon stop growing and may begin to erode—and almost all will do so if global warming hits 2°C, according to a new study in the western Atlantic. An international team, led by ...

Days after hurricanes Irma and Maria tore through Puerto Rico in 2017, Ernesto Diaz formed a team to survey what the Category 5 storms had done to his home. Touring coastal areas, Diaz, then an ...