YR4, a newly found near-Earth perilous object, has a small chance of hitting Earth on December 22, 2032. Measuring 40–90m wide, it exceeds the 1% impact probability, prompting alerts. NASA is tracking its trajectory to refine or rule out the risk.

Scientists have found an asteroid that might smash into the Earth in December 2032. That's less than eight short years away, and right after a U.S. presidential election too -- how courteous of this giant space rock.

A dive into probabilities, asteroid impact modeling, and what sort of damage an approximately 180-foot asteroid could cause on Earth.