Spotting Earth-threatening asteroids is tough, partly because the sky is so big. However insects offer an answer, since they figured out long ago how to look in many directions at once.
New ESA telescope in South America to search for dangerous asteroids
Double Asteroid Redirect Test (DART) is safe - asteroid targeted can't hit Earth, why they chose it - and this helps us learn how to protect Earth from other asteroids - Debunking
Flyeye: the bug-eyed telescope monitoring our skies
FLYEYE Telescope and SUTED Project: the Solution for Space Debris - OHB-Italia
ESA - Planetary Defence
ESA in urgent call for 'eyes on the sky' after 'surprise' asteroid encounter
ESA - Flyeye: ESA's bug-eyed asteroid hunter
New telescope at ESO's La Silla joins effort to protect Earth from risky asteroids
ESA - Flyeye: ESA's bug-eyed asteroid hunter
