Oxygen-rich laboratory melts retained extra oxygen under pressure, revealing a possible transport mechanism within Earth.

The new map highlights six regions that had been poorly sampled by PKP precursor studies and now appear to be promising targets for closer investigation. They include areas beneath high-latitude ...

When you think about Earth’s water, you probably picture oceans, lakes, or rain. It feels like we can see most of it. But scientists now believe vast amounts may be stored nearly 400 miles below the ...

Asteroids and planetesimals regularly bombarded Earth between about 4.6 billion and 3.5 billion years ago, during the Hadean and Archean eons. Because few rocks today are more than 4 billion years old ...