Odds of asteroid 2024 YR4 hitting Earth drop from record high, NASA says of 'city killer'
NASA announced Wednesday that the odds of the up to 300-foot-wide asteroid hitting Earth dropped from record highs. See where ...
Could an asteroid really hit Earth? Odds of asteroid 2024 YR4 reach highest levels ever
The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the the ...