With wave power, it all seems pretty straightforward. Waves come from the wind. Wind power is already a big-time clean-energy source (producing about 2.5 percent of the world’s electricity and growing). Water…

There have been three major eras in the history of science, as Johns Hopkins University astrophysicist and computer scientist Alex Szalay describes it. The first, which lasted for millennia, was…

At first blush, the key players in George Friedman’s World War III scenario seem to have been plucked from a random-country generator: Japan, Turkey, and… Poland? But take a step…

Perhaps one day we’ll send a spacecraft to a rocky planet orbiting Proxima Centauri. And perhaps the first images arriving back from across 4.2 light years of space will feature…

Travis and Sadiye Rieder read a book with their 2-year-old daughter, Sinem, in their Maryland home You can drive an electric vehicle powered by rooftop solar panels, replace your old appliances…