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Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

history. The findings by scientists from the University of Washington, University of Rochester, NASA, and New York University are published in the Feb. 23 issue of Science and provide the strongest ...

A new study indicates that dinosaurs may not have been declining before the asteroid strike that killed them off 66 million years ago. According to the study, instead of showing evidence of decline, ...

An impact crater, believed to be associated with the “Great Dying,” the largest extinction event in the history of life on Earth — much earlier than the extinction of the dinosaurs — appears to be ...

The 5.3-mile-wide crater is now confirmed to be 66 million years old, suggesting that the impact of at least two giant space rocks preceded the mass extinction of dinosaurs. Reading time 3 minutes ...

The Earth has suffered five mass extinctions. Human activities are now accelerating climate change and the threat of the "Sixth Mass Extinction". We analyze the past to consider what we should do. Dr.

When a colossal asteroid hit Earth some 66 million years ago, the blast saturated the atmosphere with fine dust, blotching out the sun. Credit: Mark Garlick / Science Photo Library / Getty Images For ...