Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...
Surprisingly, these produced a rich collection of Devonian fish microfossils. This was the first evidence that an arm of the sea had extended into central Australia during the Early Devonian ...
Surprisingly, these produced a rich collection of Devonian fish microfossils. This was the first evidence that an arm of the sea had extended into central Australia during the Early Devonian ...
the late Devonian event eliminated 70 percent of all creatures and influenced sweeping changes in the kinds of fish that survived. These cosmic blasts are element factories, NASA says: They create ...