YR4, a potential “city-killer,” has a small chance of hitting Earth in 2032—but scientists say it might strike the Moon ...
An asteroid nearly the size of a football field now has a greater than one percent chance of hitting Earth in about eight years. Such an impact has the potential for city-level devastation ...
An asteroid strike could cool the planet's climate, harm crops, and disrupt food supply, but it may also increase plankton ...