A 1.45-million-year-old shin bone discovered in northern Kenya has revealed a disturbing possibility about human evolution: our ancient relatives may have been eating one another hundreds of thousands ...

Enceladus’s ocean is extremely alkaline and low on carbon dioxide, but one terrestrial extremophile made it work.

For thousands of years, Indigenous communities along North America’s Pacific coast have practiced a remarkably simple form of marine stewardship: they crush old seashells and mix them into the sand ...