Which came first: the impact or the eruptions? That question is at the heart of two new studies in the Feb. 22 Science seeking to answer one of the most hotly debated questions in Earth’s geologic ...

For decades, scientists have gone back and forth about whether massive volcanic eruptions or an asteroid impact — or maybe both — caused a mass extinction that saw the demise of all nonbird dinosaurs ...

Boulder, CO, USA - A series of monumental volcanic eruptions in India may have killed the dinosaurs 65 million years ago, not a meteor impact in the Gulf of Mexico. The eruptions, which created the ...

Scientists have addressed the 'uncomfortably close' occurrence of the Chicxulub impact in the Yucatan and the most voluminous phase of the Deccan Traps flood basalt eruptions in India. Specifically, ...

This is a preview. Log in through your library . Abstract Slot canyons, with extremely small width–depth ratios, are rare geomorphic features that develop under limited range of fluvial conditions. We ...

Artwork of a pair of tyrannosaur dinosaurs surveying a volcanic landscape. This depicts a scene at the end of the Cretaceous period in Earths history. A massive meteorite has impacted the Earth, ...

New York, March 29, 2021 -- Earth has experienced five major mass extinction events over the past 500 million years. Massive volcanic eruptions have been identified as the major driver of the ...

About sixty-six million years ago a planet-wide catastrophe brought the non-avian dinosaurs to their demise, and the end of the Cretaceous period was marked by a mass extinction of its fauna and flora ...

Remember the terrible earthquakes and fiery volcanoes that killed off the dinosaurs in Disney's original "Fantasia"? Those scenes weren't far from the truth, a new study suggests. According to an ...

Nearly 66 million years ago, a mass extinction event wiped out the dinosaurs and most life on Earth at the end of the Cretaceous period. When an impact crater and other evidence of an ancient asteroid ...