Silicon Valley entrepreneur Elon Musk has revealed new details about his idea for an underground roadway system beneath cities that would zip cars through tunnels. The Wall Street Journal's Rolfe ...

A switch to Mars would impact programs such as the moon-focused Space Launch System, a multibillion-dollar rocket that ...

The comments highlighted rifts within the U.S. right wing and between two men who have been influential advisers to President ...

what is Sir Keir going to do about his Elon Musk problem? First, they are adopting a “keep calm and carry” strategy. The PM is staying quiet on the ­personal attacks. Most Labour MPs have ...

Tech billionaire Elon ... That's why we have them." He added: "I have many H-1B visas on my properties. I've been a believer in H-1B. I have used it many times. It's a great program." Musk listens ...