Katie Straus crossed the finish line of the 1,500 meters exhausted. After two days and nine previous events of sprinting, jumping, throwing, and vaulting, the final race of the decathlon is less about speed than endurance — pushing forward even as the body begins to break down. By that... Read full story

Scientists have long understood that rivers and lakes influence one another, but actually observing where one system gradually transitions into the other has remained a challenge — until now.A new study led by... Read full story

Taking apart a watch and reassembling it is one thing. Rebuilding an entire river landscape from scratch is another.A collaboration among researchers across the United States and China is offering scientists a new way to understand how river landscapes form — not only on Earth, but also on worlds... Read full story