In 1908 something exploded over a remote part of Siberia with the force of roughly 1,000 Hiroshima bombs, flattened 80 million trees, and was heard 600 miles away — and more than a century later, scientists still cannot fully agree on whether it was an asteroid, a comet, or something else entirely

On the morning of June 30, 1908, the sky over a remote stretch of Siberian forest split open. Eyewitnesses — and there were only a handful, because almost nobody lived there — described a column of bluish light, nearly as bright as the sun, moving across the sky. Then a flash. Then a sound like [...] The post In 1908 something exploded over a remote part of Siberia with the force of roughly 1,000 Hiroshima bombs, flattened 80 million trees, and was heard 600 miles away — and more than a century