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Guanabara Bay will host the Olympic sailing competition in August. But it's so heavily polluted, it threatens the livelihoods of those who depend on its waters.

You may know the caddis fly as a fishing lure. But bioengineers hunting a better way to seal wounds and set bones say the larvae of these insects have a few tricks we should try to mimic.

A chemical widely used to make many water-resistant and nonstick items can be found in many community water supplies. But elevated levels of PFOA are turning up in three Northeastern states.

Catch share programs — where fishermen are allotted a set quota of the catch --reduce the notoriously risky behavior fishermen are known for, like sailing in stormy weather, a new study finds.

Thanks to a blazing hot summer and unusually warm water, early counts of juvenile winter-run Chinook are at extreme low levels. To protect them, regulators may restrict ocean fishing.

Many alternative food brands have been swallowed by big food companies. Recently, Perdue bought Niman Ranch, which sells "natural" meat. But after a sale, will shoppers feel the product is the same?

California wineries use between 2.5 and 6 gallons of water to make a gallon of wine, not including irrigation water and other needs. But drought is forcing the industry to conserve in new ways.

Pope Francis' social media feeds have blossomed while he's been pontiff, allowing followers to access his messages via Twitter, YouTube and also an app on their smartphones.

Every year, lovers of these tart, juicy berries trek into the forests of the Northwest to pick them at great effort. No one's managed to grow them commercially just yet, but their fans keep trying.

Scientists are experimenting with species' environmental DNA to find out how far and how fast it travels in streams. The technology is starting to revolutionize how we protect native animals.