Sean Duffy, the new transportation secretary, faces his first major crisis just hours after his swearing-in. Duffy, who was confirmed by the Senate Tuesday, quickly emerged as the ...

President Donald Trump asked SpaceX Founder Elon Musk to bring astronauts Butch Wilmore and Suni Williams back to Earth, ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The ...