The 2K22M Tunguska-M1 is a Russian tracked combined surface-to-air gun/missile system. It is designed to provide day and night protection for infantry and tank regiments...
In Russia, the modern flying saucer era began in 1908, as villagers from a sparsely populated area of central Siberia, near the Tunguska River, witnessed...
In Phenomenon: The Lost Archives -- Tunguska, the Russian Roswell, viewers investigate the destruction of 200 square miles of Siberian forest just prior to the...
Read more: environment.newscientist.com New Scientist features editor David Cohen narrates his journey to the site of the Tunguska explosion in Siberia.