Airplane lavatories are marvels of engineering, combining vacuum science, pressure tricks, and strict regulations.

Joby Aviation Inc. is celebrating the first $250 million tranche of an expected $500 million investment from Toyota Motor Corp., the company said.

The Jarvik-7 artificial heart, made of aluminum and plastic, was implanted in 1982 in a retired Des Moines, Wash., dentist, Barney Clark. He lived for 112 days.

Transportation Secretary Duffy said the U.S. air traffic system is antiquated and urged the Senate to pass the Big Beautiful ...