YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...
YR4 has a 1-in-43 chance of impacting the Earth in 2032, potentially causing localized damage and potentially wiping out a ...
The probability of Earth impact remains at 2.4 percent, and the estimated size of the asteroid is still anywhere from 40 to ...
YR4: More than 100 million people live in risk corridor, Nasa data shows - Asteroid’s destructive potential is 500 times the ...
Renowned astrophysicist Neil deGrasse Tyson warned that a gargantuan asteroid with enough power to level entire cities is on ...