A 'city-killer' asteroid now has a 2.3 percent chance of slamming into Earth in about eight years , and a terrifying video ...

YR4 were to strike Earth, the energy released could be equivalent to 8 megatons of TNT, capable of devastating an area the size of Washington, D.C ...

Cerro Coso Community College is honored to present the Hiroshima Nagasaki Atomic Bomb Exhibit, a powerful pop-up exhibition ...