When Philip Sontag first visited Antarctica as a Ph.D. student, he brought back an unusual souvenir: a huge bag of penguin ...

Our brains build maps of the environment that help us understand the world around us, allowing us to think, recall, and plan. These maps not only help us to, say, find our room on the correct floor of ...

Here's why Maryland is suing the maker of Gore-Tex and accusing the company of harming the state's environment by releasing ...