For decades, scientists have used the amount of seaweed at the ocean's surface as a proxy for the health of coral reefs below. However, a new global study of more than 1,200 marine locations over a 16 ...

The structural complexity of coral reefs creates a vibrant underwater city populated by a diverse assortment of characters. Ironically, this same complexity can impede coral recovery after ...

Researchers predict that climate change will drive a substantial redistribution of brown seaweeds and seagrasses at the global scale. The projected changes are alarming due to the fundamental role ...

Erinn Muller should have reason to despair. The marine biologist studies coral health in Florida, a state whose reefs have been devastated by extreme heat, increasingly ferocious hurricanes and deadly ...

Nutrients in macroalgae called 'ulva' caused the pink sea-foam.

Australian sea lion swimming through an invertebrate reef, sponge garden and macroalgae reef, and in bare sand and invertebrate boulder habitats in Australia. (Video: Angelakis et al.) The eight ...