Distinct human populations living on separate continents have followed largely similar patterns of evolution since the onset of the Neolithic period, according to a new study. This suggests that, ...

The concept of punctuated equilibrium was, to some, a radical new idea when it was first proposed by Stephen Jay Gould and Niles Eldredge in 1972. Now it is widely recognized as a useful model for one ...

Competition between species played a major role in the rise and fall of hominins -- and produced a 'bizarre' evolutionary pattern for the Homo lineage -- according to a new study that revises the ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate ...

ch. 1. Ode to Cecropia: discovering nature -- ch. 2. Teasing the strands apart -- ch. 3. Time, energy, and biological evolution -- ch. 4. Evolution of the earth -- ch ...

The scientists examined the lineages of two groups of bivalves—marine invertebrates that include clams, oysters, mussels, and scallops—that successfully inhabit the deep sea. They found that some ...