SpaceX’s rockets ferry US astronauts to the International Space Station. Its Starlink satellite constellation blankets the ...

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

Elon Musk’s SpaceX will record revenue of about $15.5 billion this year, the billionaire said this week, underscoring the rocket maker’s growing dominance in the commercial space sector.The company’s ...

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

Sen. Ted Cruz's newly unveiled legislative directives for Senate Republicans’ budget reconciliation bill would dedicate ...

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

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

WASHINGTON — President Trump played it cool Friday morning when discussing his feud with Elon Musk — turning a brief phone ...

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 ...

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

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

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