Add Yahoo as a preferred source to see more of our stories on Google. Magma becomes lava when it rises up to the Earth’s surface, like when the Nyiragongo volcano erupted in the Democratic Republic ...

Rare rocks buried deep beneath central Australia have revealed the origins of one of the world’s most promising new deposits of niobium — a metal vital for producing high-strength steel and clean ...

One recent morning near the mouth of a canyon in southwest Colorado Springs, Christine Siddoway placed a few peculiar rocks in a parking lot and a dozen strangers gathered around. “That’s pretty,” one ...

Modern rock-wallabies seem to survive by sticking together in small areas, but fossils show they need to travel.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To the untrailed eye, a rock on the side of the road is just that: a ...