Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Those of us who, because we got our lunch money stolen from us every day in high school, watch the Discover Channel with regularity know that to launch an object into Earth orbit it has to reach a ...

Orbital and suborbital flight are common terms in the spaceflight industry that sound very similar, but they mean different things. The main difference between orbital and suborbital flight is the ...