WITH what interest do we look upon any relic of early human history ! The monument that tells of a civilization whose hieroglyphic records we cannot even decipher, the slightest trace of a nation that ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American "Consequently, if my theory be true, it is ...

Trilobites first appear early in the Cambrian and are one of the earliest examples of arthropods, the group that includes all insects. They flourished for over 100 million years, leaving fossils that ...