Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

He has been on the board of Lyft for years, but he only stepped in as CEO just a couple of years ago to help turn it around. He’s done pretty well with that so far, but he’s p ...

Updates from your News topics will appear in My News and in a collection on the News homepage. Russian soldier sentenced to life in jail in unprecedented Ukrainian trial In the first ruling of its ...