A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

EPFL researchers succeeded in sending and storing data using charge-free magnetic waves called spin waves, rather than ...

Australia’s mineral wealth is well-documented, but its role in the global economy is increasingly defined by a particular ...

What exactly are critical minerals and why are they important? Well, critical minerals are minerals that are needed for ...