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Impact Risk

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NASA Warns Thousands of Mid‑Sized Asteroids Remain Undetected as Deflection Capability Lags

Officials say the near‑term risk is a large detection gap with no deflection mission on standby.

Tiny Asteroid Skims Earth at ISS Altitude Over Antarctica, Found Only Hours Later

Skyscraper-Size Asteroid 2025 FA22 Makes Safe Earth Flyby on Sept. 18