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.

Scientists are planning the last servicing mission to one of the most important space telescopes of all time.

Scientists are finding that when you sleep is just as important as how much you sleep.

By studying twins, scientists help us understand what makes people who they are.