HOUSTON––The Toyota Center witnessed a celestial event—a supernova bursting in real time, light traveling across parsecs of hardwood, energy collapsing and expanding in ways that defied the known ...

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 ...

SpaceX’s massive Starship rocket exploded minutes after clearing the launch pad during a flight test Thursday, suffering a ...