A small asteroid the size of a bus will make an extremely close approach to Earth on Thursday (July 7), passing within just 56,000 miles (90,000 kilometers)...And just a few days ago, no one knew it was coming The asteroid, named 2022 NF, is expected to pass safely by our planet, according to calculations by NASA's Jet Propulsion Laboratory in Pasadena, California. Astronomers discovered the sneaky asteroid using data from the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) — a system of cameras and telescopes based in Hawaii with the primary goal of detecting near-Earth objects, or NEOs. On...