An overwhelming scientific consensus affirms that for thousands of species across the globe, climate change is an immediate and existential threat. For the loggerhead turtle, whose vast range extends from the chilly shores of Newfoundland to the blistering beaches of Australia, the story isn’t so cut and dried. New research from conservation biologists at Florida […]
Oxygen depletion in ancient oceans caused major mass extinction
Late in the prehistoric Silurian Period, around 420 million years ago, a devastating mass extinction event wiped 23 percent of all marine animals from the face of the planet. For years, scientists struggled to connect a mechanism to this mass extinction, one of the 10 most dramatic ever recorded in Earth’s history. Now, researchers from […]
