The Evening Standard

Asteroid, not volcanoes, made the Earth uninhabitable for dinosaurs, study finds

June 30, 2020

Dinosaurs were wiped off the Earth by an asteroid, and not volcanic activity as some theories suggest, according to new research. Most dinosaurs became extinct around 66 million years ago, and some experts have argued that a series of volcanic eruptions over tens of thousands of years led to their demise.

But that’s disputed by a new study from scientists at Imperial College London, the University of Bristol and University College London, who suggest that only an asteroid could have fostered the conditions that caused the dinosaurs' extinction. They found that only an asteroid could have eliminated all habitable areas, whereas some potential habitats could have survived a series of volcanoes.