YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.
The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking ...
An asteroid discovered before the turn of the year could hit the earth in 2032. The first hazard prevention organizations ...
NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet ...