The Carolina Reaper gets everyone in the end.
Stories from the coolest day jobs in the world.
The first color photo of Pluto, a warm-blooded fish, and much more
Dogs are the best bomb detectors we have. Can scientists do better?
Sci-fi movies should bend the rules to impress audiences, but they can't play people for complete fools. Review the most science-distorting movies of 2012 in this gallery.
Your cellphone does not in itself cause cancer. But in the daily sea of radiation we all travel, there may be subtler dangers at work, and science is only just beginning to understand how they can come to affect people like Per Segerbäck so intensely
Space-launched darts that strike like meteors
It's the ultimate nightmare: a nuclear attack in the U.S. masterminded by terrorists. Here's how that could happen-- and how we can prevent it
Learning to stop bombmakers--even before an explosion goes off
Scientists cast doubt over the Pentagon's plan to build a new nuclear bunker buster
How safe can a citizen expect to be in a post 9/11 city? What technology can a city use to make its citizens safe?
Russia tests the "father of all bombs" but technical hurdles could defuse its lethal power
Taylor Wilson always dreamed of creating a star. Now he's become one
The first handheld radiation detector
Who really stole the secret of the atom bomb? In this PopSci.com exclusive, the producer of the NOVA special tells us what it was like to be involved with this project.
U.S. forces in Iraq are waging a pivotal campaign in modern warfare-combat on the first "networked" battlefield. One problem: the enemy has a few networks of its own
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Projecting the evolution of the projectile
New designs and materials will make future skyscrapers sturdier, safer, and smarter.
The search is on for nukes in the U.S. Here are the tools
Edward Teller's life and work changed life itself.
It's arson, bomb and booby trap week at one of the nation's toughest forensics schools.
A naval strategy to detonate 70 million mines calls for high-tech showers of darts