Specifically, their work regards the issue of estimating past rates of speciation and extinction, which are, respectively, the rates at which new species arise and existing species go extinct. These ...

Genetic sharing among evolutionary neighbors all happens through hybrids: the offspring produced when individuals from two ...

Metagenomics uncovers the full cast of microbes living in environments from soil to the human gut. New methods help ...

The mammal tree of life is a real leaner. Some branches are weighed down with thousands of species — we’re looking at you, rodents and bats — while others hold just a few species. Now we may have a ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

A sculptor's rendering of the hominid Australopithecus afarensis is displayed as part of an exhibition that includes the 3.2 ...

WASHINGTON (Reuters) - Since first appearing during the age of dinosaurs, snakes have authored an evolutionary success story - slithering into almost every habitat on Earth, from oceans to tree tops.

If you look different to your close relatives, you may have felt separate from your family. As a child, during particularly stormy fallouts you might have even hoped it was a sign that you were ...

If you look different to your close relatives, you may have felt separate from your family. As a child, during particularly stormy fall outs you might have even hoped it was a sign that you were ...