In reality, even as the near-Earth asteroid 2024 YR4 was moving away, ground-based telescopes were able to gather enough ...
NASA now says the rock - estimated at 40-90 metres across - poses "no significant impact risk to Earth in 2032 and beyond".
YR4 once held a 3.1% impact chance, with the power of 500 Hiroshima bombs. Though the risk dropped, future asteroid threats ...