Buried Clues From Earth’s Most Explosive Evolutionary Chapter. The Tonto Group, a sequence of rock layers visible along the Grand Canyon’s lower walls, was long believed to represent a gradual ...

Layers of volcanic rock in eastern Oregon, the Willamette Valley and the Columbia Basin have created fertile soil for farming and ranching, but in the future it could provide fruitful ground for a ...

A previously unknown layer of partially molten rock has been detected beneath Earth’s crust. The discovery could help scientists learn more about the motions of Earth’s tectonic plates.

The rock layers above the impact contain high levels of phosphorus—a critical nutrient used in biology to manufacture everything from DNA to cell membranes.

Mars’ buried ‘lake’ might just be layers of ice and rock. Liquid water isn’t the only explanation for anomalous radar signals, a study finds.

An illustration of a wind turbine installation vessel. Offshore wind company Equinor said it will begin this month dropping a layer of rock around the site of each of 54 turbines and a substation ...

The discovery of this hidden molten rock layer shows that molten rocks have nothing to do with tectonic plate movements, which cause earthquakes. Scientists have managed to uncover a previously ...

Church of the Holy Sepulchre, Jerusalem (photo Hrag Vartanian/Hyperallergic) Italian archaeologists working on the excavation and conservation of the Church of the Holy Sepulchre in Jerusalem ...