A CITY-KILLER asteroid could be hurtling towards Earth but going completely undetected, a space agency chief warned. Humanity ...
The last major asteroid event in recent history was the 18m wide meteorite that hit Chelyabinsk in Russia in 2013. The fireball turned night into day and released an estimated 500 kilotons of ...
"Tiny asteroids do hit the Earth all the time ... And in 2013, a 66-foot-wide asteroid entered Earth's atmosphere over Chelyabinsk, Russia. It exploded in the air, releasing 20 to 30 times ...