Read the latest articles from Popular Science (Page 1223)

Policy that would make it easier to carry concealed weapons into schools could have meant “the difference between life and death for many innocent bystanders,” a spokesman for Michigan House Speaker Jase Bolger said after last week's shooting at Sandy Hook. Does research bear that out?

Most of the world's ocean species died--and lots of land-based ones, too--and it might have been the fault of a microbe.

Just how many hours of Wii Fit Bowling does it take to burn one (conservatively portioned) meal?

Jacob Ward, editor-in-chief of Popular Science, explains why he's excited for 2013.

After 350 days in orbit, Ebb and Flow have landed on the lunar surface

Most scientists give the credit to a group of mossy swamp-dwellers that originated underwater, but new evidence points to a mysterious life-form that lived--and died--millions of years earlier.

Vote on the final matchup in our Best of What's New bracket!

Epigenetic molecules that regulate genes may influence homosexuality.

North Korea's entrance into the small group of spacefaring nations is certainly significant. But the idea that it is nearing an intercontinental nuclear capability is overblown.

Find out how these arachnids avoid getting trapped in their goo.

Tapping the overhead shooting ability of an unmanned aerial system, filmmakers generate an eerie Tron-like motif as only overhead photography can.

You wouldn't want to bring out sherry or dried fruit tones in your giant box of chardonnay, would you?

Michael E. Mann, director of Penn State's Earth System Science Center and author of The Hockey Stick and The Climate Wars, reviews Beck's latest work of fiction Agenda 21.

This clever color wheel reveals how different languages explain the color spectrum, whether in three words or more than 60 words.

Caltech scientists build the world's first integrated terahertz scanners, the size of a fingertip.

Not all that long if Santa knew how to stretch time like a rubber band!

The World Wide Web is really starting to look like, well, a world wide web.

Wyoming's anti-scientific laws have allowed the most famous wolf in Yellowstone to be shot. Shooting wolves isn't only senseless--it actively harms the environment.