Read the latest articles from Popular Science (Page 1258)

Blending a light-sensitive resin, an ultraviolet projector, and robotics to turn 3-D printing upside down.

A mathematical theory for the origins of ball lightning, one of atmospheric science's rarest and more confounding natural phenomena.

Felix Baumgartner skydived to a picture-perfect landing from 24 miles above the Earth on Sunday morning, tentatively setting three world records—but not before a hairy two-hour ascent. Here’s what happened with his helmet.

Theresa Klein talks about Achilles, the first machine to move in a biologically accurate way.

And how can we stop it?

3:02pm MDT - And that's a wrap on press conference. Tune in tomorrow for a story featuring more of what the team had to say.

Our trusty BeerScientist introduces a recipe for the Mild Marathon ale, using some of the year's most plentiful hops.

DARPA wants help coming up with new Grand Challenges to expand the abilities of humans. So we made them a list.

No surprise: performance enhancers enhance performance. But they might not give me the instant mountain-scaling boost I want.

But not really. A research paper shows how perfectly verified statistical results can still be perfectly wrong.

New research says the planet has no water and is made primarily of carbon. It also shows that planets can be more complex to study than stars.

A team of researchers is going down the theoretical rabbit hole with a test to find out if our universe is nothing more than a computer program.

The simple tricks to fool Earth-evolved humans into living on Mars time.

A rare form of meningitis has infected more than 200 people and claimed 15 lives. Are you at risk? And how did the outbreak start in the first place?

A Philadelphia robotics startup is blazing trails in the nascent unmanned systems industry by focusing on technology, and ignoring the killer app.

A Stanford professor is trying to teach doctors and scientists how to write manuscripts that aren't dusty and jargony.

On Friday, a single mysterious program was responsible for 4 percent of all stock quote traffic and sucked up 10 percent of the NASDAQ's trading bandwidth. Then it disappeared.

This week's Newsweek proclaims that "Heaven Is Real"--a neurologist concludes it after a near-death experience. But how much do we know about those experiences?

Yesterday's 23-mile skydive was delayed by gusty wind, but that's just one variable that can shut down a high-altitude ballooning mission. Many people have tried, and failed, to break Joe Kittinger’s record for the highest skydive in the past. Here’s why it’s so hard to pull off—and why Felix Baumgartner just might do it yet.