The soil covering the moon may contain a remarkable record of ancient stars that exploded millions of years ago. Scientists ...

While supernovae mark the terminal destruction of a star, novae operate on a different mechanism and can repeat. A nova ...

SpaceX 's ninth Starship test flight ended abruptly on Tuesday when the rocket experienced a "rapid unscheduled disassembly" ...

In a bid to predict the threat to satellites from space debris, the European Space Agency is teaming up with a pair of physicists who spend their time smashing eggshells. This improbable collaboration ...

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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 ...