A planet so distant that its starlight began traveling toward Earth around the Middle Ages has given one University of ...

Solar panels can seem like a mysterious or complex piece of technology, but the basic idea is surprisingly simple: they capture energy from daylight and convert it into electricity your home can use.

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...