YR4, a potential “city-killer,” has a small chance of hitting Earth in 2032—but scientists say it might strike the Moon ...
Chilling animations depict the apocalyptic impact that “city-killer” asteroid YR4 2024 could have if it did hit Earth — while ...
The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side. That's good news for scientists and NASA ...