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 ...

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.

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

Earth’s magnetic field was once 30 times weaker than it is today. This change may have played a pivotal role in the blossoming of complex life, new research found.

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

An artistic reconstruction of Auroralumina attenboroughii, based on a fossil dated to the Ediacaran Period and recently discovered in the U.K.'s Charnwood Forest. ((Dunn/Kenchington, et al., Nature ...

In the 1950s, previously discovered fossils were identified as animal remains from the Ediacaran period, which extended from around 635 million years ago to the dawn of the Cambrian 541 million ...

Researchers uncovered compelling evidence that Earth's magnetic field was in a highly unusual state when the macroscopic animals of the Ediacaran Period -- 635 to 541 million years ago ...

Geobiologists shine new light on Earth's first known mass extinction event 550 million years ago Work shows a major loss of diversity during the Ediacaran Period, which lasted from 635 million to ...

“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 ...