The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate ...

Elon Musk proposes satellite-based sunlight control to fight climate change, sparking debate over space geoengineering. The ...

Mr. Musk’s supporters say he may quit if shareholders don’t approve a trillion-dollar package. Some investors say it’s excessive and would give him too much sway.

The United States and China are locked in a contest to be the first country to send humans to the lunar surface in half a century. But there's a developing twist: an emerging competition between ...

LAS VEGAS — After a series of stalled public tunnel projects, Elon Musk’s Boring Company finally found traction in Las Vegas. Now, with similar political support and streamlined oversight, Nashville ...

The concept, ripped from a Star Trek episode, would fill Earth's orbit with satellites to harness energy from the Sun and ...