Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the ...

For billions of years, life had been playing it safe with single-celled minimalism. Then came the Cambrian period – nature’s version of a creative explosion. Imagine going from microbial monotony to ...

A stunning new fossil find from the Grand Canyon fills in some blanks from a time when evolution began experimenting with weird new forms. Frustratingly, fossils from later in the Cambrian period are ...

Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna from the ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

Animal life seemed to explode into a wide variety of new forms in the Cambrian period. Sun et al. (2002). National Science Review. via Wikipedia under CC By 4.0 Sometime before 520 million years ago, ...