Field crews in Wyoming uncovered not one but four snake fossils so intact that their skulls, ribs, and tails lay in ...

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 ...

Thousands of fossils from the La Brea tar pits in California show no signs of mammals and birds evolving in response to ...

Reznick wanted to examine Charles Darwin’s concept of the struggle for existence — specifically, how predator-prey interactions shape the evolution of new species. Enthusiastic and ambitious, he ...

More than a decade after his 'Origin of Species', Darwin found courage to publish ideas he had once only hinted at. In 'The Descent of Man' he presented an unequivocal account of human evolution.

Now, scientists have been treated to front row seats of evolution unfolding in real time, as two similar lizard species encounter each other for the first time and quickly adapt to fill different ...

This helps the species to be more successful in its habitat. It’s natural selection at work. In some examples of convergent evolution, species evolve the same solution to a problem but take a ...

Large-scale comparison of gene families across 1154 Saccharomycotina genomes revealed that gene gains and losses drive yeast ...