Warm air rises, but it also expands because air pressure decreases with height. The latter effect wins out and air becomes ...

The U.S. government has an official plan for a zombie apocalypse Think The Walking Dead is straight-up fiction? Well, it is—but the government wants to be prepared for a real-life version anyhow. The ...

Hunts can be simple to set up, they encourage kids to burn off sugar-fueled energy and it may be the one time of year when no one complains about “cleaning up.” The whole family wins ...

India marks a milestone in railway infrastructure with the completion of its longest railway tunnel in Uttarakhand, a 14.6 km ...

The Grand Canyon is, to put it simply... grand. Those views you hear about? They’re just as jaw-dropping as they’re rumored ...

Busting myths; how a drop of water changed a girl’s life; a tribe’s respect for fishes; and more: picks from columnist.

When climbing trees, riding a bike fast or exploring a woodland, children make their own decisions on which risks to take and ...

Paul Redfearn, a biology professor at what was then Southwest Missouri State College, frequently hosted camping trips with ...