ALERT! Dangerous asteroid, as big as a bus, approaching Earth today, says NASA

​  Asteroid 2022 OC4 is classified as an Apollo class asteroid and it is set to make a dangerously close approach to the Earth today, August 9, according to NASA. Asteroid 2022 OC4 is classified as an Apollo class asteroid and it is set to make a dangerously close approach to the Earth today, August 9, according to NASA.