Why SpaceX’s giant Starship rocket is not worsening the fuel crisis — but may still raise profound climate questions.

CAPE CANAVERAL — If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA's engineers ...

On March 16, 1926, American physicist Robert H. Goddard launched the world’s first successful liquid-fueled rocket from a farm in Auburn, Massachusetts. The rocket was small, only about 10 feet long, ...

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its ...

Launching rockets into space is no easy task. Engineers and scientists need to ensure the vessels have enough thrust and fuel to escape Earth's gravity. To achieve this feat, rockets launch at curved ...