In 1931, the cluster of craters at Henbury Cattle Station south of Alice Springs in Central Australia was one of the first places on Earth where a group of impa

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "pub

​On February 15, 2013, the Chelyabinsk meteor sailed over Russian skies in a streak of light that was momentarily brighter than the Sun. The remarkable event