Boom Supersonic is putting its engine technology to work on the ground to power the AI boom, and help fund development of its full-size Overture aircraft. Jesse Orrall (he/him/his) is a Senior Video ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

A modern jet engine is a complex mechanical wonder. However, these aren't engines that will just roar into action with the turn of a key or the press of a button. Often, turbine engines will need ...

In the endless pursuit of faster, more efficient travel, engineers have been cooking up all kinds of new forms of propulsion. One of the most interesting to emerge in the last decade is the electric ...