Katie Nichols envisions a future powered by clean energy. But she concedes there are challenges. Some areas of the Earth don’t get a lot of sun. Other areas don’t get a lot of wind. “But waste,” she ...

One of Maersk's methanol-fueled container ships docks at the Port of Hamburg in Germany. (Axel Heimken/picture alliance via Getty Images) This summer, an ammonia-powered ship completed its maiden ...

Manchester United beat arch-rivals Liverpool on Sunday – their first win at Anfield since January 2016 – thanks to late header from Harry Maguire. Bryan Mbeumo scored after just 63 seconds before Cody ...