Scientists are working to put the bio in plastics.

The oceans are getting louder, and scientists want to know what that means for marine residents.

New work is showing that the best way to stop bullying is to keep it from ever starting.

Toxins in venom could be used to battle pests, fight cancer, even numb pain.

Scientists are perfecting a new generation of airport scanning machines.

Body parts that seem pointless turn out to have purposes, after all.

In a remote village in Fiji, nature and people are working together to save each other.

We put it in cereal. We drink it with cookies. And we eat tons of foods that are made from it, including yogurt, cheese and even some crackers, breads and granola bars. For most of us, milk is a staple that would be hard to live without. Thousands of years ago, though, only babies drank milk — and that milk came from their mothers. Now, scientists are investigating the beginnings of mankind’s long-lasting love for daily products. They are looking back thousands of years, to the days when people first squeezed milk out of cows and other animals for use as food and drink. Tracking down the...

Dee Boersma was studying penguins in Argentina when a local official announced a new plan. “He wanted to build a boardwalk over 197 [penguin] nests right before hatching,” says Boersma, a conservation scientist at the University of Washington, Seattle. She knew the project would scare the birds and harm their babies. “That was upsetting to me and to others.” Boersma snapped into action. First, she hid the lumber for the project, so construction couldn’t begin, even though she knew she might get in trouble for interfering. Then, she battled lawyers and the governor. After all, she ...

More kids are developing diabetes, and obesity is a major reason why.