At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova explosions, a new study ...

Most people know the theory that an asteroid smashed into Earth — hitting what is now the Yucatán Peninsula — and killed off ...

Groundbreaking research refines China’s Ordovician paleogeography, revealing microcontinents as pivotal players in Earth’s ...

Lomankus edgecombei belonged to the Megacheiran class, a group of arthropods that were abundant during the Cambrian period.