The hydrogen revolution is well and truly underway. The so-called “smart money”, including Bill Gates' Breakthrough Energy ...

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy , which has baffled ...

Ever wanted to see how history connects all around the world? This interactive history map makes it easier than ever.

Over 83 million people around the U.S. live in residences with radon levels over the EPA's action level, new data reveals.