Science FactsThe Ordovician Extinction: Our Planet’s First Brush With Deathcody.cottier@wsu.edu (Cody Cottier)on January 16, 2021 at 11:58 am January 16, 2021 - by cody.cottier@wsu.edu (Cody Cottier) - Leave a Comment The first mass die-off on Earth was also one of the deadliest. Scientists continue to piece together the story of what happened.Read More