https://revolutionidlegame.com/games/idle-defense/
Master strategic planetary warfare in Idle Defense - Build automated defense networks that grow while you're offline, position cosmic fortifications, and craft...
idledefensebuildplanetaryfortress
https://interestingengineering.com/innovation/worlds-first-planetary-defense-test
Sep 27, 2022 - This test mission could save Earth from future threats involving asteroid collision.
in the worlddart spacecraftcrashesasteroid
https://fas.org/publication/nasa_tries_fails_to_withhold_p/
The National Aeronautics and Space Administration earlier this year attempted to block public access to a comprehensive report on planetary defense against...
planetary defensenasatriesfailswithhold