When Charles Darwin formulated his theory of evolution, he appealed to the logic of ancestry, the evident diversity of species, and the magic of time....

Evolutionary scientists recently claimed to have discovered bacteria that are 101.5 million years old. In 2010 researchers collected deep-sea sediment...

Sheet sands are widespread, thin sandstones that blanket large regions of the continents. Most are composed of extremely pure quartz of uniform, well-rounded...