When the Plains Came to Washington On the morning of May 11, 1934, residents of New York City, Washington D.C., and Boston looked out their

The Atmosphere Is Full of Light Shows Most People Never Learn to See A rainbow after a spring shower is the most familiar atmospheric optical

The Fur Is Everywhere. Here’s Why — and What to Do About It. May is peak shedding season for dogs and cats across most of

May Is When It Matters Most Severe thunderstorms capable of producing damaging winds, large hail, and tornadoes are more frequent in May than any other

The Sun in May Is Not the Same as the Sun in December The UV radiation reaching Earth’s surface in mid-May is dramatically more intense

The Phenomenon Has a Name. The Name Is Wrong. Sit on a porch on a warm May or June evening and you’ll often see it: