Two Asteroids, One Dinosaur Extinction: Second Crater Bolsters Double Impact Theory
The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two
The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two
The Category 5 event dropped significant amounts of rain across the Gulf of Alaska...
The projectile points suggest the ancient conflict was wider-spread than previously thought...
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