The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

So when President Donald Trump threatened on Thursday to cancel Elon Musk's federal contracts, space watchers snapped to ...

The founder of the Mars Society has accused SpaceX CEO Elon Musk of derailing existing plans to explore and eventually visit ...

Elon Musk's SpaceX will record revenue of about $15.5 billion this year, the billionaire said this week, underscoring the ...

A crewed mission to Mars would rank among the most complex and costly undertakings in human history—and US President Donald ...

As political tensions escalate, former President Donald Trump threatens to cut federal contracts and subsidies to Elon Musk’s ...

The alliance between President Trump and Elon Musk went up in flames Thursday, days after the world's richest man left the administration and tried to wield his influence to kill a massive budget bill ...

From “a star” to “crazy”: how the richest and most powerful men became allies and what happens next now they’ve severed ties.

The escalating war of words between President Donald Trump and tech mogul Elon Musk marked the most contentious chapter in a ...

The two seem to have paused their online war of words. But the president may sell his Tesla and has continued to criticize ...

The company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...

The once-close alliance between Elon Musk, the billionaire entrepreneur behind Tesla and SpaceX, and President Donald Trump ...