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Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

The glowing algae is suffocating sea life.

The Homer Spit’s future as an iconic tourist attraction is in danger of washing away. Erosion along the spit’s sea walls is not a new problem. City officials are working with state and federal agencies to find a lasting solution.

DFO documents reveal treatment failures and inability to protect migrating salmon.

From African waters to China and back again, over half the fish on Nigerian tables is imported

The Great Pacific Garbage Patch covers an area twice the size of Texas or three times the size of France.

In a paper published Wednesday, researchers theorize the die-off is at least partially attributable to the changing climate.

Sargassum is infesting Mexico’s coastline. Researchers are scrambling to stop an ecological crisis, and maybe even make something good of it.

Ocean scientists are concerned about dead gray whales that have washed up on the US West Coast this year at the highest rate in almost two decades.

Debris on Cocos (Keeling) Islands was mostly bottles, cutlery, bags and straws, but also included 977,000 shoes, study says

Indigenous Australians from low-lying islands in the Torres Strait argue that the government, by failing to act on climate change, has violated their fundamental right to maintain their culture.

Scientists have identified a spike in ‘vagrant’ species of fish including damselfish, wrasse and triggerfish

UChicago grad student analyzes ecosystem changes due to climate change on clams, snails, worms, crabs, urchins, starfish and more

Since 1972, the giant island’s ice sheet has lost 11 quadrillion pounds of water.

The Pacific Ocean off the California coast is mixed up, and so are many of the animals that live there.

Warming ocean waters are an invitation to all sorts of pathogens with the potential to remake ocean life.

I knew that those Japanese currents would come to our waters, and so that’s why I volunteered to do the testing,” Eddie Ungott, a resident of Gambell.

March becomes the hundredth month in a row with temperatures above normal. "It is unique and shows how fast climate change is happening in the Arctic," says climate scientist Ketil Isaksen at the Meteorological Institute (MET).

Recent storms have destroyed the progress made in ice formation endangering coastal habitats and fishing practices.