impact

This artwork depicts the blast formed from an impacting meteor on the lunar surface. Credit: NASA Anyone looking up at the right moment on September 11, 2013, may have caught sight of a brief flash of light on the moon. The flash was the biggest and brightest lunar impact ever observed by astronomers, a new Monthly...

  The 10,000 ton asteroid that exploded above the Russian city of Chelyabinsk in February produced such a powerful shockwave that it raced around the world twice, according to a new study published in the journal Geophysical Research Letters. Researchers report that 20 world-wide monitoring stations, designed to detect ultra-low frequency sound waves emanating from nuclear-test...

  The 10,000 ton asteroid that exploded above the Russian city of Chelyabinsk in February produced such a powerful shockwave that it raced around the world twice, according to a new study published in the journal Geophysical Research Letters. Researchers report that 20 world-wide monitoring stations, designed to detect ultra-low frequency sound waves emanating from nuclear-test...