Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

Due to the radiative thermal conductivity of the mineral olivine, only oceanic plates over 60 million years old and ...

Chemical fingerprints from volcanic rock offer hints of what’s happening in the mantle below the area where three rift zones ...

A spot in eastern Africa called the Afar Triangle marks the meeting point of three rift zones—lines where Earth’s crust is being rent apart. Researchers haven’t been sure exactly what drives this ...

The vertical movement of the mantle is one of the driving forces that brings about large-scale geological changes to the ...

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 ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...