The asteroid 2024 YR4, once considered potentially hazardous, isn't likely to hit us anytime soon. Now, a team of researchers ...

That's 500 times the ... that it is a rocky asteroid, the effects would be similar to those of the Tunguska impact in 1908, where a surface area of (2,000 square kilometers) was devastated and ...

For example, an asteroid estimated at 6-9 miles (10-15 km) wide - much larger than 2024 YR4 - hit off ... the size of Bennu - with a diameter of roughly three-tenths of a mile (500 meters) - strikes ...

An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on Dec. 22, 2032.

New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...