In 1988 a fossil jaw was discovered by paleontologists in San Diego County, California. Decades later the scientists determined it belonged to a relatively...

An international research team claims to have found the world's oldest big cat fossil in Tibet, publishing their findings in the Proceedings of...

Age-dating a rock using its radioactive isotopes only works by assuming that the rate at which that "clock" ticks was constant in the past...

Some might argue that Earth’s rocks are obviously ancient even apart from radioisotope dating results. In response to creationist claims, they...

A recent survey showed that the most persuasive argument for evolution comes from the iconic drawing of the apes-to-man parade.¹ This popular...

The complexity of the vertebrate eye disturbed Darwin, but he supposed it might have originated millions of years ago through a series of small steps...