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'Planetary defense is knowing what's out there and what could do harm to us.' Meet the scientist who helped build NASA's asteroid response plan
A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...
NASA reveals strategy to protect Earth from asteroid threats: What you should know
NASA recently tracked asteroid 2024 YR4, which initially showed a 3 per cent chance of hitting Earth in 2032. New data shows it's no longer a threat, but the incident highlights the need for strong ...