Anjouan island, off eastern coast of Africa, is mostly made of dark volcanic rocks, like these cobbles on the shoreline of one of the island's beaches. But researchers have now found a motherlode of ...

A team of geologists at the University of Texas suggests that a collection of smooth, red quartzite cobbles, found in the Morrison Formation of Wyoming, was deposited there by dinosaurs coming from ...

Geologists have been baffled by perforations in an Australian quartzite (rock), identical in shape to burrows made in sands by crustaceans; the original sandy sediment is a billion years older than ...

Living under a translucent rock can be quite comfortable -- if you're a moss in the Mojave Desert. A graduate student at the University of California, Berkeley, found that some mosses in the ...

Microscopic Mojave Desert plants growing on the underside of translucent quartz pebbles can endure both chilly and near-boiling temperatures, scavenge nitrogen from the air, and utilize the equivalent ...