The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA astronomers.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

NASA and ESA monitor asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Learn about Near-Earth Objects ...

YR is considered to be larger than the Chelyabinsk asteroid that struck Russia in 2013. Its shock wave was strong enough to ...

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Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system. Nasa releases images.

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...