New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by ...

Newly discovered evidence of Australia's earliest species of tree frog challenges what we know about when Australian and ...

In other words, the appearance of reptiles—and by extension, the evolutionary branch that leads to humankind—gets pushed back ...

Eukaryogenesis occurred suddenly, driven by the growing length of genes and the limitations on producing longer proteins. An ...