Research published in the Proceedings of the National Academy of Sciences revealed that a colossal asteroid impact ... mass extinction of the dinosaurs and many other life forms due to the more ...

Was it the asteroid or colossal ... relatively short period), making life a struggle for all sorts of plant and animal life. As the fossil record shows, the dinosaurs, apart from birds, couldn ...

The meteorite, designated S2, is about 200 times bigger than the dinosaur-killing impactor named Chicxulub. S2 hit Earth when only simple, single-celled life existed on our planet — and the ...

Artwork: The asteroid ... dinosaurs' back," he told BBC News. "But, yes, it was at a sensitive point for the Northern Hemisphere. Spring is when everything is literally springing back into life ...

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.” ...

A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that ... Earth was populated by dinosaurs, who had been the dominant life form for nearly 200 million ...

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

The cataclysmic asteroid impact off Mexico’s coast that doomed the dinosaurs 66 million years ago was not the only time an astronomical event shaped the history of life on Earth. Scientists said ...