Tropical solstice shadows

Solstices mark the changing of seasons, occur twice a year, and feature the year's shortest and longest daylight hours—depending on your hemisphere. These extremes in the length of day and night make solstice days more ...

What's with the recent wild tornadoes? Expert weighs in

In the past week, weather authorities across the U.S. reported more than 100 tornadoes across the central and southern parts of the country, destroying dozens of homes and buildings from Oklahoma to Nebraska and Iowa.

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