Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from ...

It is hard to know what is going on over 3000 kilometers beneath our feet, but until recently scientists were fairly confident that they understood the way the iron atoms in the Earth's core packed ...

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...

Microbial ecology seeks to find out what forces shape and maintain the composition and structure of microbial communities; elucidate the origin of community and guild diversity and their link to ...