This is pretty interesting (at least to me)
A massive crater in Antarctica may have been caused by a meteor that wiped out more than 90 percent of the species on Earth 250 million years ago, an American geologist said Wednesday.
The 300-mile-wide crater lies hidden more than a mile beneath a sheet of ice and was discovered by scientists using satellite data, Ohio State University geologist Ralph von Frese said.
Von Frese said the satellite data suggests the crater could date back about 250 million years to the time of the Permian-Triassic extinction, when almost all animal life on Earth died out, paving the way for dinosaurs to rise to prominence.
Then we had the one about 65 million years ago that wiped out the dinosaurs. One day we will have another, that will give rise to the cockroaches. All hail the future leaders! 
While I am on science, another cools story about a primative solar system being discovered.
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