Excerpt: Underground: A Human History of the Worlds Beneath Our Feet
Plus, an ant's shiny coat keeps it cool
Taylor Wilson always dreamed of creating a star. Now he's become one
Conceptual shelters that will protect us all from the perils of our rapidly changing environment: rising waters, extreme heat, rampant pollution and overpopulation
Wind, solar, tidal—all are battling for the renewable-energy crown, but what about the six billion highly efficient short-stroke engines in our midst? What about us?
It's 3 AM, that phone is ringing; will their records back their claims?
During a week of attempting to cloak every aspect of daily life, our correspondent found that in an information age, leaving no trace is nearly impossible
When thereâ€™s no safe escape, call in the Mules: These unmanned aerial vehicles could save lives on the battlefieldâ€”and off
Within 10 years, infantry soldiers will go into battle with autonomous robots close behind them. One day, they'll be fighting side-by-side
The man behind the world's most powerful camera confronts killer viruses, nude sunbathers and the San Diego Padres
Our reporters deliver the latest on autonomous vehicles.
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
Technology may be ushering in a golden age of stalking, in which predators use GPS, cellphones and other devices to track and terrorize.
A too-brief encounter with Arthur C. Clarke, the grand old man of science-fiction visionaries.
Consumer demand may drive PDA tech, but G.I.'s jumped to the head of the class with their rugged, waterproof, networked units. Will they stay out front?
Whoâ€™s got the edge?
Space-launched darts that strike like meteors
Behind the scenes in the race to develop a military vehicle that can drive itself.
The bad things that would happen if we launched nuclear waste into the sun.
To an insect, air is as thick as oil. Michael Dickinson pursues the sticky question of how these creatures maneuver so flawlessly. The answers could spawn tiny new flying machines.
Can polygraphs expose anti-U.S. plots?
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.
New designs and materials will make future skyscrapers sturdier, safer, and smarter.