Researchers have wondered how an alligator-size arthropod lived more than 300 million years ago. The discovery of an intact ...

The meteor’s impact triggered a cascade of effects. It kicked up so much dust that the sky darkened. As the sun dimmed, ...

For a long time, scientists have debated what caused the dinosaurs to die out 66 million years ago. Was it a huge asteroid or ...

The first evidence of the Carnian pluvial event came courtesy of geologists in the 1980s, most prominently the UK duo of ...