News articles tagged with 'Tunguska'
Space shuttle science shows how 1908 Tunguska explosion was caused by a comet
— 25 Jun 2009 12:17 | AstronomyThe mysterious 1908 Tunguska explosion that levelled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University…
Tunguska catastrophe: Evidence of acid rain supports meteorite theory
— 19 Jul 2008 18:14 | EnvironmentThe Tunguska catastrophe in 1908 evidently led to high levels of acid rain. This is the conclusion reached by Russian, Italian and German researchers based on the results of analyses…
Engineering researcher seeks answers to asteroid deflection
— 28 May 2008 13:48 | AstronomyAn Asteroid Deflection Research Centre (ADRC) has been established on the Iowa State campus to bring researchers from around the world to develop asteroid deflection technologies. The…
Sandia supercomputers offer new explanation of Tunguska disaster
— 19 Dec 2007 15:30 | Geology and palaeontologyThe stunning amount of forest devastation at Tunguska a century ago in Siberia may have been caused by an asteroid only a fraction as large as previously published estimates, Sandia…
Research team says extraterrestrial impact to blame for Ice Age extinctions
— 26 Sep 2007 05:22 | Geology and palaeontologyWhat caused the extinction of mammoths and the decline of Stone Age people about 13,000 years ago remains hotly debated. Overhunting by Palaeoindians, climate change and disease lead…
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