While both the Merlin and Raptor rocket engines are being used by SpaceX for launch missions, there are key differences between the two designs.

Humankind's first Space Race began on October 4, 1957, when the Soviet Union launched the first artificial satellite (Sputnik) into orbit around Earth. The unparalleled and exponential explosion of ...

The Rolls-Royce Merlin engine is, and, sometimes, justifiably so, a subject of silent reverence. Created as a personal project in the early 1930s, called PV-12, it was soon to become a lot more than a ...

Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 528673160 Michael Cole Corbis via Getty Images 2 GettyImages 528673160 Michael Cole Corbis via Getty Images 2 Powerful ...

The "D" variant of the North American P-51 Mustang has long been considered one of the greatest aircraft ever to fly. It is considered by many to be one of the leading technological reasons why the ...