YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

For now, astronomers can only keep track of the asteroid and won’t have more definite answers until 2028 when it swings within range again. “Then, the orbit can be refined and models can be ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

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The dinosaurs, of course, could do nothing about the killer asteroid, other than presumably waving their tiny arms at the oncoming doom. But if they did have a space program — and yes ...

NASA’s upcoming EZIE mission will use three small satellites to study electrojets — powerful electrical currents in the upper atmosphere linked to auroras. These mysterious currents influence ...

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Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.