The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

Exactly which animals ... Era (Triassic Period), many new types of animals evolved to fill the available ecological niches created by a mass extinction event that took place at the end of the ...

Now, the details of features such as the fingertips and belly skin of some animals have been preserved. The Permian period occurred during the last part of the Paleozoic Era. It ended with the ...

“NATURE vibrates with rhythms, climatic and dystrophic, those finding stratigraphic expression ranging In period from the rapid ... J urassic Triasic Permian Penrsylvanian Mis,ippian Devonian ...

What followed was a mysterious, multimillion-year period that could be called the “Great Dulling,” when marine animal communities looked strikingly ... respond to environmental changes of the ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

What steps can researchers take to combat crop viruses? This is what a recent study published in Nucleic Acids Research hopes to address as a team of researchers from Germany investigated a novel ...

The Food and Drug Administration (FDA) announced Thursday it plans to phase out animal testing requirements for biological products and drugs, instead moving toward alternative testing models such ...