How Elon Musk Is Influencing Donald Trump

Their fast-evolving political friendship has become a potential minefield, as Mr. Musk’s sprawling businesses may present conflicts of interest if Mr. Trump is elected in November.

A Big Decision for Boeing’s Next C.E.O.: Is It Time for a New Plane?

Some analysts say building a new plane soon would help the company regain ground it has lost to Airbus. But doing so would be difficult and expensive.

Boeing 737 Max Official Is Out as Questions Linger on Mishap

The head of the factory making Max jets is leaving the company as it faces scrutiny of an incident that left a hole in a plane’s fuselage in flight.

Inside OpenAI’s Crisis Over the Future of Artificial Intelligence

Split over the leadership of Sam Altman, board members and executives turned on one another. Their brawl exposed the cracks at the heart of the A.I. movement.