New research from Portland State University focused on identifying signs of life—biosignatures—in extreme environments here ...

To get it in your inbox, sign up for free ... t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world ...

This, in turn, affects convection in the outer core—the dynamo-like process that generates the magnetic field that protects life on Earth from harmful cosmic rays. "Flow in the outer core drives ...

NASA scientists are concerned about a strange anomaly in Earth's magnetic field, which can make life at the International Space Station difficult. The vast and evolving phenomenon is called the ...

Geophysicist Daniel Lathrop wants, among other things, to use it to predict when the Earth’s magnetic field will next reverse. Over the course of our planet’s history, the field has flipped ...