The military is starting tests on the world's largest unmanned surface vessel - a self-driving, 132-foot ship designed to travel thousands of miles out at sea without a single crew member on board.
Scientists around the globe are revved up with excitement as the world's biggest atom smasher starts whirring again to churn out data that may confirm cautious hints of an entirely new particle.
Jonathan Mossberg is among a small number of pioneers looking to build a safer gun. But unlike many others, he was in the gun business when he started down that path.
In their glory days, the famed Pullman rail cars were made on Chicago's South Side, but when the factory closed, the neighborhood declined.
An Australian man long rumored to be associated with the digital currency Bitcoin has publicly identified himself as its creator, a claim that would end one of the biggest mysteries in the tech world.