with a warming climate and rising sea levels flooding low-lying landmasses to create shallow, marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion ...

"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

the so-called Cambrian "explosion." Over long periods of time, these changes might have allowed life forms to perform more complicated functions, like those associated with the evolution of new ...

Geologists studying the Cambrian rocks of the Grand Canyon have uncovered exciting new insights that challenge traditional ...

This discovery has the potential to bridge gaps in our knowledge of animal life during the late Cambrian period ... as trilobites featured three lobes on their exoskeletons. These sea creatures had ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something dramatic happened about 500 ...

Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand Canyon ...