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.

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