A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the sun. Shockwaves powerful enough to flatten everything for miles.

Astronomers are closely monitoring Asteroid 2024 YR4 as it heads towards Earth. Should we be worried about it? Here's what you need to know.

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.