Western wildfire smoke causes East Coast haze, vivid sunsets

The smoke from dozens of wildfires in the western United States is stretching clear across the country—and even pushing into Mexico, Canada and Europe. While the dangerous plumes are forcing people inside along the West ...

NASA satellite imagery shows Teddy consolidating

When a tropical cyclone consolidates, it means that it is getting more organized and its circulation is improving. An improved circulation helps make for a stronger storm. Infrared imagery from NASA's Aqua satellite showed ...

The best of both worlds for economic predictions

Danish physicist Neils Bohr once quipped that prediction is hard, especially when it is about the future. But this is precisely what financial regulators need to do—forecasting the likely state of the economy in the future ...

How cold was the ice age? Researchers now know

A University of Arizona-led team has nailed down the temperature of the last ice age—the Last Glacial Maximum of 20,000 years ago—to about 46 degrees Fahrenheit (7.8 C).

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