With a heavy nucleus (79 protons) and a lone electron in its outermost electron shell, gold should have fairly similar ...

Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

This ancient predator-prey relationship took place 517 million years ago in the ocean that once covered the region of South Australia.

A new study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil ...

Elements in group 1 and group 2 are metals. Atoms of group 1 elements have one electron in their outer shell, and atoms of group 2 elements have two electrons in their outer shell. Elements in ...

Researchers from Duke University and Stanford University used electron and laser microscopy and computer simulations of heart cockles to discover that their shells are designed with translucent areas ...