These factors, especially in the Balcones Escarpment landscape in Central Texas, make Flash Flood Alley one of the most flood ...

The first data maps from NASA's TEMPO pollution-monitoring device were released Thursday. It creates visual representations of pollution and air quality over North America from 22,000 miles above ...

A map shows the ozone hole above Antarctica in September, when it was the size of North America. The ozone protects the Earth from the sun's ultraviolet rays.