Elon Musk, the CEO of SpaceX, has set an ambitious goal to colonize Mars and make it a second home for humanity. Musk's ...

Elon Musk just unveiled his most ambitious plan yet – a self-sustaining city on Mars by the early 2030s, starting with robot ...

For now, experts say mutual dependence should keep a full-blown rupture at bay, but the episode exposes just how disruptive any break could be.

The row between US President Donald Trump and billionaire Elon Musk over a major spending bill has exacerbated uncertainty ...