U.S. Transportation Secretary Sean Duffy said he spoke with Trump administration advisor and CEO of SpaceX Elon Musk about ...

What is space weather, what causes it, and how does it affect humans? Physicist Robyn Millan, who co-chaired a recent ...

Then there are the actions of SpaceX founder Elon Musk. Last week he sowed doubt by claiming NASA had "stranded" astronauts ...