Residents of one of the Internet's most populous virtual worlds shop, attend class-even run businesses. Soon you may do the same.
Taylor Wilson always dreamed of creating a star. Now he's become one
Forget algebra homework: try building spaceships, operating a nuclear reactor or listening in to distant galaxies
Welcome to the age of bioprinting, where the machines we've built are building bits and pieces of us.
With help from an ice architect
Stories from the coolest day jobs in the world.
Tallest building! Longest bridge! Fastest train! Behold, the next engineering marvels to dazzle the world.
Behind the scenes in the race to develop a military vehicle that can drive itself.
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.
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
Rappel up a wall at an astonishing 10 feet per second with the Atlas Powered Rope Ascender
Futurist Ray Kurzweil explains how the boundary between man and machine is quickly disappearing. PLUS: A gallery of today's most mind-blowing 'bots
When David Hanson set out to build a robotic head, he saw no reason not to make it look just like a human. Then he stumbled into the Uncanny Valley.
Firing massive Kevlar and steel nets at inbound rocket-propelled grenades could save helicopters in combat
Six Generation III+ reactors set for the U.S.
Our ancient quest to create androids is about to destroy the boundary between humans and machines. Futurist, author and inventor Ray Kurzweil explains how
The first of their kind used for commercial energy generation
Are nuclear disasters the new normal?
Six years' worth of incredible places.