ZME Science on MSN

U.S. Mine Waste Contains Enough Critical Minerals and Rare Earths to Easily End Imports. But Tapping into These Resources Is Anything but Easy

Exploiting critical minerals in byproduct mining waste is messy and challenging. Minerals like gallium and tellurium show up ...

Rare rock hides in plain sight in Colorado Springs, recalling ‘Snowball Earth’

One recent morning near the mouth of a canyon in southwest Colorado Springs, Christine Siddoway placed a few peculiar rocks ...