A dramatic photo shows the extremely unlikely moment when a blazing fireball meteor photobombed a contender for the "Great Comet of 2026" as it shone in the night sky over a 500-year-old European ...

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 ...

Stunning new footage shows a bright-green "fireball" meteor exploding in the skies over an erupting volcano in the Philippines. Initial reports suggested that the falling space rock may have struck ...

Astronomers have captured one of the rarest events in the universe—the very first moments of a massive star exploding. The ...

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Last week’s explosion of a New Glenn rocket at Cape Canaveral, Florida, was clearly a setback for Blue Origin and NASA, but it was a learning experience for safety officials looking to open up the ...

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 ...

An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon that so far exists only in theory. By Dennis Overbye On Feb. 13, 2023, a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The SpaceX Starship, the most powerful and advanced rocket and capsule ever designed on this ...