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Additional Details on the Large Fireball Event over Russia on Feb. 15, 2013
The large fireball (technically, a "superbolide") observed on the morning of February 15, 2013 in the skies near Chelyabinsk, Russia, was caused by a relatively small asteroid approximately 17 to 20 ... more
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Stanford scientist closes in on a mystery that impedes space exploration
New research by Stanford aeronautics and astronautics Assistant Professor Sigrid Close suggests she's on track to solve a mystery that has long bedeviled space exploration: Why do satellites fail? ... more
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'Faulty Ukrainian Parts' Blamed for Zenit Launch Failure
The crash of a Russian Zenit-3SL rocket earlier this month was caused by defective components manufactured in Ukraine, Ivan Kharchenko, first deputy head of the Russian government's military-industr ... more
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What Exploded over Russia?
When the sun rose over Russia's Ural Mountains on Friday, Feb. 15th, many residents of nearby Chelyabinsk already knew that a space rock was coming. Later that day, an asteroid named 2012 DA14 would ... more
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