Meteor Crater AZ

Asteroid killed off the dinosaurs

04 March 2010

The Cretaceous-Tertiary mass extinction, which wiped out the dinosaurs and more than half of species on Earth, was caused by an asteroid colliding with Earth and not massive volcanic activity, according to a comprehensive new review of all the evidence.

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under the sea

Under the sea

27 March 2008

Scientists explore huge volume of molten rock now frozen into the crust under the ocean’s floor.

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