A stunning new discovery in the Grand Canyon is offering scientists an unprecedented glimpse into Earth’s earliest complex ...

Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...

Researchers have often turned to the Grand Canyon's layers of sedimentary rock to discover pivotal moments in the history of ...

Soft-bodied Cambrian fossils found in the Grand Canyon reveals how early animals evolved complex feeding systems over 500 ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

A team led by researchers at the University of Cambridge found more than 1,500 small, carbonaceous fossils in samples from ...

A 500 million-year-old fossil with a spider's brain structure suggests that arachnids may have evolved in the oceans.

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern ...

Learn how the Grand Canyon used to be home to an ancient evolutionary competition that has since left behind a plethora of ...

A century-old fossil long mislabeled as a caterpillar has been reidentified as the first-known nonmarine lobopodian—rewriting ...

Whether you love spiders or can't be within 10 feet of them, you probably think of them crawling around on land. Historically ...

In a twist worthy of a detective novel, a long-misidentified fossil at Harvard's Museum of Comparative Zoology (MCZ) has ...