Collisions like the one between an American Airlines plane and a helicopter over the Potomac River in D.C. this week have led to changes in the way we travel.

Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

These maps display data from a single computer model. Please note they may be different to the Bureau's official products including local and coastal waters forecasts, tropical cyclone warnings, and ...