An asteroid first spotted in December has a 1.2% chance of hitting Earth in 2032. Scientists are tracking the space rock to learn more about its size and trajectory.

The possibility of the asteroid 2024 YR4 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst

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.