Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth's history. An analysis of the frequency of supernova explosions in the Milky Way, led by ...

Professor John Marshall collecting samples on the End Devonian mass extinction in East Greenland. Credit: Chris Berry A ...

Supernova destroying planet, illustration. A rocky planet lies in the wake of its star, which has just gone supernova. The explosion shatters the planet. A complete census of massive stars in our part ...

Introduction -- Beginnings -- The end-Ordovician mass extinction -- The late Devonian mass extinction -- The end-Permian mass extinction -- The end-Triassic mass extinction -- The end-Cretaceous mass ...

Paleontologists recognize five big mass extinctions in the fossil record, marked by the loss of a significant number of species in a (geologically speaking) short span of time. Theories to explain ...