Elon Musk is threatening to decommission a capsule used to take astronauts and supplies to the International Space Station for NASA.

Shares of Tesla Inc. fell 14% on Thursday as its chief executive kept attacking President Donald Trump's spending plans publicly. The electric-car maker's market capitalization had dropped by almost ...

After long months when President Donald Trump and billionaire Elon Musk appeared united in their chaotic mission to remake ...