The Federal Aviation Administration has issued a stark warning to air pilots about the dangers of exploding space rockets after a pair of failed SpaceX launches that showered deadly debris over busy ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here's how they plan to crack the case.

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

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 ...