This SpaceX rocket is about to slam into the moon at 5,400 mph

This SpaceX Falcon 9 rocket propelled a lunar lander to the moon. Now, it's about to crash into it in a dramatic impact ...

A SpaceX rocket will crash into the moon next week, and scientists aren't sure what to expect

Scientists are preparing to study the effects of human-made impacts on the moon when a spent SpaceX rocket stage impacts the ...

An orbiting disco ball gave Einstein’s theory its most precise test yet

Albert Einstein’s general theory of relativity predicts that a rotating mass like the Earth pulls the fabric of space and time around with it in a perpetual swirl. This phenomenon is known as frame ...