YR4, dubbed a 'city killer' by experts, now has a higher risk of hitting the planet than any other in recent history ...
NASA just increased the odds that “city-killer” asteroid YR4 2024 will strike our planet in 2032. The space agency claimed ...
YR4 has a 1-in-43 chance of impacting the Earth in 2032, potentially causing localized damage and potentially wiping out a ...