NASA is currently tracking a bus-sized asteroid set to zip past the Earth on January 31 at a whopping 8,478 miles per hour. Known as 2022 OC3, the space rock is estimated to be about 24 feet across and will make its closest approach on Saturday, at a distance of 311,000 miles, according to NASA's Jet Propulsion Laboratory (JPL). More asteroids are expected to zoom past the Earth in the coming days. Also, today, a house-sized asteroid known as 2026 BK, will make its closest approach at a much