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

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

left fossils of the trails they made as they moved through the Precambrian mud. Life was flourishing long before the Cambrian "explosion". The question of how so many immense changes occurred in ...

But to find that complexity, we must take the lessons of the boring billion to heart. Planets are not just a stage on which ...

Armed with advanced technology, decades of expertise, and insights from an NSF-funded study, a multi-institution team of ...

Nilpena Ediacara National Park in South Australia is well known for its collection of fossils from the Ediacaran period—a ...

The Cambrian Explosion saw an incredible diversity of ... which left a huge number of fossils. Trilobites had flattened, segmented, plated bodies that helped to protect them in seas that were ...

A team of paleontologists recently discovered that an ancient seascape known for its diverse assemblage of exceptionally ...

NEW HAVEN, Conn. — 450 million years ago, a peculiar bug-like creature roamed the ancient seas – and researchers have just ...

The evolution of the eye is likely to have been a catalyst for the explosion, initiating an arms race between organisms that were increasingly aware of their surroundings. Now, with access to uniquely ...

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 ...