A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

A quarter of a billion years ago, long before dinosaurs or mammals evolved, the predator Dinogorgon, whose skull is shown here, hunted floodplains in the heart of today's South Africa. In less than a ...

The first major frontier of “de-extinction” has just been crossed. Earlier today, the company Colossal Biosciences reported that its scientists have successfully brought back a version of the dire ...

Researchers studying the soft-bodied Ediacaran biotas of the world generally accept that there are three distinct assemblages. The 575–560-million-year-old (Ma) Avalon Assemblage is best known from ...

CC0 Usage Conditions ApplyClick for more information. Contrary to popular imagery, massive volcanic eruptions or an asteroid impact may not have been the cause of the world’s first mass extinction.

Researchers studying the soft bodied Ediacaran biotas of the world generally accept that there are three distinct assemblages: The 575–560-million-year-old (Ma) Avalon Assemblage—best known from the ...