Senate Republicans have made changes to their party’s sweeping tax bill in hopes of preserving a new policy that would ...

Shares of AST SpaceMobile ( ASTS 0.55%) are moving higher this week, up 33.9% as of 2 p.m. ET from last Friday's close. The ...

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

Texas legislators approved $300 million in grant money for the Texas Space Commission and gave it new authority to close ...

As President Donald Trump and Elon Musk argued on social media on Thursday, the world’s richest man threatened to ...

President Donald Trump threatened to cut government contracts with Elon Musk amid feud, while the SpaceX CEO suggested ...

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

The president’s threats to cut Musk’s government contracts would have major impact on business in Texas, where SpaceX, Tesla ...

Tesla stock soared in the months after the November presidential election because investors were convinced Donald Trump was about to do massive favors for his largest financial backer, Tesla CEO Elon ...

Musk responded on social media in real time. Trump ratcheted up the stakes when he turned to his own social media network, ...

Once a key member of President Donald Trump's inner circle, Elon Musk's relationship with the president has deteriorated into ...