History's Mysteries

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Asteroids: K-T Boundary Crater (3:18)

Scientists believe an asteroid crater in the Yucatan Peninsula may explain the dinosaur extinction.

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  • Asteroids: K-T Boundary Crater
    Asteroids: K-T Boundary Crater

    Video Clip (3:18)

    Scientists believe an asteroid crater in the Yucatan Peninsula may explain the dinosaur extinction.

    Video Clip (3:18)