Many major groups of animals that have become a mainstay in modern times first appeared during the Cambrian Explosion.

The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like ...

Quaestio lived some 555 million years ago in the so-called Ediacaran Period, a key time in the history of life when complex, multicellular life first evolved.

Researchers from the Australian National University (ANU) analyzed ancient fossils from the Ediacaran period following their discovery in Russia in 2018. The findings were published in the journal ...

“But in the Ediacaran, we had a fascinating period in the development of the deep Earth when processes creating the magnetic field … had become so inefficient after billions of years, that the ...

The Ediacaran Period was a time of dramatic change for the planet, when the climate was warming after two glacial events and life was evolving from single-celled and microscopic organisms. A ...

The Ediacaran Period, spanning from about 635 to 541 million years ago, was a pivotal time in Earth's history. It marked a transformative era during which complex, multicellular organisms emerged ...

Some perspective: The Ediacaran Period spanned roughly 96 million years, bookended on either side by the end of Cryogenian Period -- 635 million years ago -- and the beginning of the Cambrian ...

An illustration of some of the underwater creatures that lived during the Ediacaran Period, roughly 635 million to 541 million years ago. University of Rochester illustration / Michael Osadciw ...