Tesla Inc. CEO Elon Musk has predicted that self-driving cars will cause traffic to increase in the future as more vehicles ...

About 206 million SpaceX shares are now sold short, representing roughly 32% of the company's publicly tradable float, ...

Tesla's most credible challenger this summer isn't in Detroit, and one of the three fights isn't one Musk has entered.

Tesla is scheduled to report its second-quarter financial results July 22, and its CEO will talk to investors. Here are five ...

Elon Musk says AI and robotics are the only way to solve America's $39 trillion debt crisis. Here's what he said, why ...

The Wisconsin Elections Commission found billionaire Elon Musk may have violated the state's election bribery law by offering ...

Federal debt just crossed a threshold not seen since soldiers were coming home from World War II, and the math shows spending ...

World’s richest man faces potential election law breach after $1M voter payments as prosecutors weigh outcomes in Wisconsin ...

SpaceX talks a lot about solar power, but for now it's guzzling gas.

The billionaire could face criminal charges for possibly violating Wisconsin law when he offered voters $1 million last year, ...

Musk, the founder of SpaceX and CEO of Tesla, was deeply involved in the effort to flip majority control of the highest court ...

Astrophysicist and science writer Adam Becker discusses why the dream of life on Mars may be out of reach, maybe for ...