Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Over a thousand miles from the surface, in Earth’s D” layer—right on the edge of the liquid metal outer core—there is a weird ...

Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm ...

A phase change in post-perovskite materials at the so-called D” discontinuity is also evidence for long-predicted slow, convective flows in the mantle itself ...

Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

Northern peatlands could seriously complicate efforts to cool the planet, especially after a temporary overshoot of the 1.5°C ...