The day marks the anniversary of a large meteor impact in Siberia on June 30, 1908. This is known as the Tunguska event. As the meteor entered the atmosphere, it exploded several miles above the ...

Over a century ago, on the morning of the June, 30, 1908, a stupendous explosion occurred over the Tunguska forest of Siberia. The resulting shock waves were detected on seismographs thousands of ...

In all likelihood, June 30, 1908, began as a normal morning in Siberia. At last, the frozen boreal woods had given way to the thaw of early summer. The dawn was interrupted when a light nearly as ...