The massive space rock is large enough to wipe out a small city, and it's moving toward Earth at about 27,500 miles per hour, ...
A tiny asteroid measuring some 27 inches (70 cm) wide was detected on a collision course with Earth above Siberia. It is ...
While asteroids will continue to strike, the impacts are less catastrophic than historical precedents... so far.
A terrifying simulation has revealed what would happen if the asteroid that wiped out the dinosaurs hit Earth now.