Where that asteroid or comet came from ... co-author of the study. “The fate of the dinosaurs and many other species was sealed by this projectile from the outer reaches of the solar system.” ...

This, remember, is the colossal event that wiped out the dinosaurs. The analysis of rocks ... traced by an arc of sinkholes Max Alexander/B612/Asteroid Day Mexico's famous sinkholes (cenotes ...

The asteroid is believed to have been 20 times larger than the one that wiped out the dinosaurs 65 million years ago. The ...

Artwork: The asteroid hit what is now the Gulf of Mexico but its effects were global Scientists can't pinpoint the exact year that an asteroid came out of the sky to wipe out the dinosaurs but ...

Research published in the Proceedings of the National Academy of Sciences revealed that a colossal asteroid impact over 3.26 billion years ago may have provided a crucial boost to Earth's early ...

The Chicxulub asteroid strike is well-known for its role in dinosaur extinction, but new findings suggest it might have been part of a duo. A second asteroid impact might have occurred around the ...

Humanity is better prepared than ever before to prevent a large asteroid from crashing into Earth, but there's more work, and ...

The dinosaur-killing space rock that slammed into the earth some 65 million years ago is thought to have been responsible for much of the iridium found here today, and it’s a key ingredient in a ...

Did a collision with a giant asteroid or comet change the shape of ... According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic ...

The threat of an asteroid devastating Earth may be greater than you think, writes K. Ward Cummings. How much should we worry ...