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You can’t photograph the inside of a twister, but radar offers some clues.

When planes fly from east to west, they are flying against a river of air called a jet stream. These air currents can make your flight longer or shorter, depending on which way you are going.

The answers lie in early human evolution.

Leaving your coat at home on a cold winter day doesn’t automatically mean you’re going to get sick. But it could make you more susceptible to germs.

An astronomer explains why space looks so dark despite containing 200 billion trillion stars.

Phones that transmit odors sound like science fiction, but researchers are working on making them real.

The term ‘Big Bang’ might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.

According to a veterinarian, the behavior some people call ‘kneading the dough’ or ‘making biscuits’ is a clue your cat feels comfortable around you.

The Earth isn’t permanent, but it was here for four billion years before humans arrived and should be here for several billion more.

If you’re thinking about a smartphone, talk with your parents.