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

Producers who were raising pigs in the 1980s can clearly remember the first time they encountered the “Mystery Swine Disease” ...

When trees and soil fungi form close associations with each other, both partners benefit. Many tree species have further ...

Not only do chimpanzees maintain a rhythm while drumming on tree roots, but two subspecies use distinct tempos and techniques ...

In new research published today in the Journal of Vertebrate Paleontology, we identify Australia’s earliest known species of tree frog – one that once hopped and croaked around an ancient lake near ...

Cats and dogs are believed to share a common ancestor, the miacid, a carnivoran. Carnivorans split into two suborders, cats and cat-like animals and dogs and dog-like animals, and dogs and cats ...

It's the first observation of "sympatric" evolution: that two species evolved from a common ancestor despite no geographical separation ...

Early Human Ancestors Used Their Hands to Both Climb Trees and Make Tools, New Study Shows WASHINGTON (AP) — Our hands can reveal a lot about how a person has lived – and that’s true for ...

WASHINGTON — Our hands can reveal a lot about how a person has lived – and that's true for early human ancestors, too. Different activities such as climbing, grasping or hammering place stress on ...

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.