They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.
1don MSN
NASA alerts about asteroid 2014 TN17, a 540-ft space rock hurtling toward Earth at 77,282 kilometres per hour.
Weather-Fox on MSN4d
The Most Bizarre Weather Event in History—And Why It’s Still Being StudiedWeather has always fascinated humanity, from the gentle rustling of leaves in a summer breeze to the terrifying roar of a ...
2don MSN
A 500-foot- wide space rock could inflict mass casualties across a state or a small country; those arrive every 20,000 years.
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