Isotope analysis of limestone cave deposits indicates repeated humid periods in the Saharo-Arabian Desert over the past eight ...

Oxford researchers have unearthed a cosmic surprise showing that the hydrogen needed for water was embedded in the very rocks ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

A common mineral, α-alumina, found abundantly in Earth's crust, may have played a critical role in initiating the chemical ...