Tag Archive for 'Acidification'

This painting depicts an asteroid slamming into tropical, shallow seas of the sulfur-rich Yucatan Peninsula in what is today southeast Mexico. The aftermath of this immense asteroid collision, which occurred approximately 65 million years ago, is believed to have caused the extinction of the dinosaurs and many other species on Earth. Shown in this painting are pterodactyls, flying reptiles with wingspans of up to 50 feet, gliding above low tropical clouds. Image credit: Donald E. Davis / NASA.

Study: Asteroid Impact, Not Volcanism, was Key in Driving End-Cretaceous Mass Extinction

Oct 23, 2019 by News Staff

The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian...

Arctic Ocean Becoming Less Hospitable to Shelled Species

Jun 17, 2015 by News Staff

The surface waters of the Arctic Ocean could reach levels of acidity that threaten the ability of animals to build and maintain their shells by 2030, according...