Learn about the time period that took place 416 to 359 million years ago. 4 min read When the Devonian period dawned about 416 million years ago the planet was changing its appearance. The great ...

Calcada illustration Most people know the theory that an asteroid smashed into Earth — hitting what is now the Yucatán ... went extinct in the late Devonian period. Credit: Andrew Bush / National ...

Scientists from Keele University have found strong evidence that some of Earth’s past mass extinctions could have been caused by nearby supernova explosions—massive star explosions in the Milky Way.

The late Devonian period was characterized by many environmental changes ... to have caused the end-Triassic extinction event that obliterated up to 80 percent of Earth’s species. These included many ...

As part of this, the research team calculated the supernova rate within 20 parsecs of the Sun, or approximately 65 ...

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