Thousands of demonstrators from New York to Alaska protested against President Donald Trump and billionaire Elon Musk.

When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a landscape with incredible geology. She hears a lot of the same suggestions: ...

The first human SpaceX flight to orbit over Earth's north and south poles splashed down in the Pacific Ocean off the coast of ...

A wealthy bitcoin entrepreneur and three fellow adventurers plunged back to Earth aboard a SpaceX Crew Dragon capsule Friday, ...

SpaceX launched four people into space Monday evening on a first-ever human mission to orbit Earth's polar regions. If ...