People Are Dying for the Perfect Selfie

More than 250 people in six years have died while taking selfies. Who is taking such risks and why?

Who Built These Mysterious Concrete Arrows?

The last vestiges of America's early transcontinental airmail beacon system still exist as giant arrows across the landscape.

Pluto: Is It a Planet After All?

Back in 2006, the International Astronomical Union decided to demote Pluto to the status of a dwarf planet. A new historical study challenges that designation.

How NASA Works

When most people think of NASA, they probably think of astronauts and the Kennedy Space Center. But there's a whole lot more to this 60-year-old organization.

Bees Stopped Buzzing During the 2017 Solar Eclipse

Thanks to a citizen science project in the path of totality, researchers studied bee activity and were surprised by the results.

Editor's Picks

10 Wrong Grammar Rules Everyone Knows

Will the grammar police really arrest you if you start a sentence with a conjunction or end one with a preposition? There's only one way to find out.

Royal Babies Quiz

Prince Harry, Duke of Sussex, and his wife, Meghan, just announced that they are expecting their first child. Royal watchers, test your knowledge of the bejeweled babies of the British royal family with this quiz.

Actually, We're Not Overdoing It on the Salt

A worldwide study found that although most people consumed more salt than was recommended, it wasn't enough to do damage to their heart health. And there wasn't much of a link between sodium consumption and heart attacks.

Not All Birds Fly South for Winter: Partial Migration Is on the Rise

Partial migration — where some animals or birds in the same species migrate regularly and others don't — is more common than you'd think. But what explains that behavior?

Halloween Costume Crafts for Kids

Halloween is one of the most popular annual events for adults and children alike. In this article, learn the best ideas for costume crafts to transform your costume from ordinary to 'spooktacular.' Check out these crafts for more Halloween fun!