India, Feb. 19 -- Odds of Earth's potential impact with 'city-killer' asteroid 2024 YR4 have risen to an all-time high. The exact size of the space rock is still unclear, though it is estimated to be the same size as New York's Statue of Liberty and has a destructive potential 500 times the atomic bomb that annihilated Hiroshima.

The uncertainty has led to the repeated revision of the probability that it will hit our home planet in 2032. The asteroid designated 2024 YR4 initially had a 1.2% chance of colliding with Earth on December 22, 2032. However, those chances were eventually upgraded to one-in-43, i.e. 2.3%. The number has since gone up, with astronomers disclosing on Tuesday that the odds currently stand at 3.1%, per the New York ...