In March 2021, the U.S. space agency announced that new telescope observations have ruled out any chance of the asteroid Apophis colliding with Earth in 2068. NASA tracks near-Earth objects (NEO) to calculate the risk of a catastrophic impact with an asteroid. [RELATED: How scientists know we’re not going to get squashed by an asteroid | NASA spacecraft successfully ‘kisses’ asteroid to bring back sample to Earth]Asteroid 99942 Apophis is one such object. AdNASA became interested in the asteroid in 2004 when scientists noticed it seems to be wobbling closer and closer to Earth. They were able to calculate the asteroid with what NASA calls “extreme precision,” ruling out an impact with Earth for another century.