There’s a reason why a rocket has to go so fast to escape Earth. It’s about gravity – something all of us experience every moment of every day. Gravity is the force that pulls you toward the ...

The lander, Blue Ghost, fired its engines for four minutes Thursday to propel the spacecraft into lunar orbit ahead of a planned March 2 landing.

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Stoke's rocket is for now called Nova ... and to return back to the launch pad after helping its cargo escape Earth's gravity. The engines are of the full-flow, staged-combustion (FFSC) variety ...

But it has the considerable disadvantage of requiring a lot of energy to escape Earth's gravity—it takes ... typically the heavier component of rocket fuel. And a variety of people have figured ...