Tech billionaires and leaders attended Donald Trump’s inauguration, sparking curiosity given their past criticisms of him.

Getting humans to Mars has long been an obsession for SpaceX CEO Elon Musk . On Monday, that project got a full endorsement ...

After the most dramatic comeback in U.S. history, the new president has more power than before, and a better idea how to wield it.

Getting humans to Mars has long been an obsession for SpaceX CEO Elon Musk. On Monday, that project got a full endorsement ...