An American Airlines plane with 64 people on board collided with an Army helicopter over Washington, D.C., and crashed into ...

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

Night - Scattered showers with a 68% chance of precipitation. Winds E at 7 mph (11.3 kph). The overnight low will be 37 °F (2.8 °C). Cloudy with a high of 40 °F (4.4 °C) and a 75% chance of ...

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