The first color photo of Pluto, a warm-blooded fish, and much more
Shock Trauma photo gallery, by Popular Science staff photographer John B. Carnett
A new picture of Rosetta's comet is an added bonus
The curious history of mankind's most vital resource. No, not oil.
A muscle-numbing magic wand protects cops and citizens, Jedi-style
Intrepid robot explorer
Home of the Antikythera Mechanism
Updated carbon dating techniques helped, too.
For some, the eclipse looked a lot like Pac-Man
The next big breakthrough in synthetic biology just might come from an amateur scientist
Bottles found under the sea sampled
Where no human has gone before
Everything you need to know about the hottest topic in
medicine, from big-league breakthroughs and new therapies to emerging health risks and the patients willing to take them
Tests in mice show potential for reversing the slowdown in learning that comes with puberty
Ten amazing projects built by teens.
Why would a petro-state erect a solar-powered eco-metropolis in the middle of the Arabian desert? To change the world.
Our editors are back with more bizarre facts for season two.
Robert Ballard's latest initiative puts a remote-control ROV at your fingertips -- and America's little-seen underwater national parks in full view.
Free dive to 55 feet? No sweat. It's the return trip that could kill you.
Happy Early World Ocean Day!
Since 2000, the government has tried to help democracy go digital. But is it working?
It takes real proof to back up even the simplest theories--these 10 studies show that the obvious can have not-so-obvious implications
It might seem silly to investigate whether people are happier on the weekend, but behind such truisms are revelations about our brains, our behavior and our environment. Here we round up the year's most outwardly obvious scientific studies
It's not the best time to be a pangolin.