A fascinating fossil discovery in remote South Australia sheds light on an important chapter in the history of life on Earth: the origins of Ecdysozoa, a vast superphylum that includes molting animals ...

The early earth / editor, D.R. Nelson. Earth's formation and first billion years / D.R. Nelson. The early Precambrian stratigraphic record of large extraterrestrial impacts / B.M. Simonson, G.R.

The Precambrian eon is vast, almost unimaginably so. In fact, before some fossil discoveries were made late in the 20th century, it was considered unknowable -- evolution's dark ages. The Precambrian ...

Using an experimental setup that could be called Precambrian Park, a team of scientists has brought back long-extinct enzymes that contain clues to the evolution of enzymatic functionalities. No, the ...

Very little is known about how and when over the course of evolution 3-D protein structures arose. In a new study, researchers resurrected four-billion-year-old Precambrian proteins in the laboratory ...

Slowly rolling across the ocean floor, a humble single-celled creature is poised to revolutionize our understanding of how complex life evolved on Earth. A distant relative of microscopic amoebas, the ...

The Cambrian period, roughly 500 million years ago, was marked by a seeming explosion of diverse multicellular organisms. For the past 10–15 years, the carbon-isotope signature in Precambrian ...