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Staff at Chicago's Shedd Aquarium have reared a special kind of fish known as a warty frogfish for the first time in captivity. Their success may hold broader lessons for raising marine species.

The Qiantang Tidal Bore, a big river wave that forms during China's Mid-Autumn Festival, barrels upstream for miles through the crowded city of Hangzhou.

Every year, millions of pounds of garbage pollute freshwater lakes across the U.S. In Minnesota, scuba divers took a deeper look at where all the underwater trash is coming from and how to prevent it.

In the Pacific Northwest, some tributaries salmon travel through to spawn are so hot that it’s threatening their migration. In some places, biologists have trucked the fish to cooler water.

A heart cockle shell has been found to let in light through a design that resembles fiber optic cables. This could inspire everything from helping coral survive to designing new camera lenses.

Two brain circuits help regulate salt intake: One adjusts salt cravings, the other determines whether we find salty food delicious or disgusting. (Story aired on ATC on Nov. 20, 2023.)

This past summer in the Arctic was the warmest since 1900, leading to early snowmelt and diminished sea ice.

Decades ago, salmon in the Pescadero Creek along the California coast went extinct. Now conservationists, farmers and federal money for addressing human-caused climate change are helping them return.

A UN gathering in Kenya seeks to address the huge problem of plastic waste. But some at the talks are skeptical of solutions put forth by fossil fuel and plastic industries.

Officials are still searching for the gunman who opened fire at Brown University Saturday, killing two people and injuring nine. Police are releasing a man who was held as a person of interest.