This story is part of Popular Science’s Ask Us Anything series, where we answer your most outlandish, mind-burning questions, from the ordinary to the off-the-wall.Have something you’ve always ...

A new study finds four factors that may make it more likely for some people to experience successful weight loss from using ...

Children may revert to speaking like a baby when they are seeking comfort, affection and reassurance.

Why are we still using checks? These pieces of paper need to be snail mailed and are subject to fraud. Why do we keep using a 17th century financial instrument in the 21st century?

"It's not the heat. It's the humidity." Sound familiar? I think we're all guilty of saying that at some point between June and September. That's why meteorologists use things like the heat index ...

I hope in Colorado, where we tend to care about the outdoors, we can find a way to make every place—the resorts people go to and everyday workplaces—more sustainable. At CU, the Sustainability Council ...

Musician Sturgill Simpson says he's releasing a new album under a new name: "Johnny Blue Skies." We look — and listen — to some of music's other notable alter egos, such as Ziggy Stardust.

Do not believe anyone who deprecates it as a 20th-century invention. It dates back at least to the 17th century, when it did just what you are requesting. Why do people keep resisting it?

Both gasoline and diesel fuel are refined from crude oil, but they are good for different things and can’t be used interchangeably.

Recently, Under Secretary of Defense for Policy Colin Kahl told Congress that the odds Russia would use nuclear weapons are low: “I don’t think they’re likely to do so.” The Washington-… ...

Why do we have fingerprints? While impressive, it's not just to unlock a smartphone or catch a bad guy. Here's what the science says.