That asteroid explosion over Tunguska was 1,000 times stronger than the nuclear bombing of Hiroshima.
June 30 marks Tunguska, Congo independence, and Soyuz 11, plus events from Hernán Cortés to Tower Bridge, Hitler’s purge, and ...
On June 30, 1908, an asteroid tore across the sky above a remote part of Siberia before erupting in a cataclysmic explosion.
This #InternationalAsteroidDay falls on the 110th anniversary of the Tunguska Impact, which occurred on this day (June 30) in ...
On June 30, 1908, at 7:14 am in central Siberia, local farmer Semen Semenov witnessed an extraordinary event: he described seeing "the sky split in two," with fire appearing high and wide over the ...
Around 7:15 am on June 30 in 1908, during the reign of Tsar Nicholas II, an object from space entered Earth's atmosphere over ...