Elon Musk calls for the International Space Station's retirement, advocating for a focus on Mars missions after Trump's Tax Bill allocates $1.25 billion to the ISS.

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Tesla shares fell 7% in the hours after his tweets prompted Trump to publicly fume about cutting off government support for ...