Geological time, generally considered as a system of eras, periods and epochs materialized in rock strata, might actually follow a simple and unifying model. Indeed, a new study led by ...

They say Mars' mantle has created a 'geological time capsule' of when the planet was first formed billions of years ago. “What we found was quite unexpected ...

The deep roots of Earth's oldest continents have long been thought to be unshakable. But a new seismic discovery suggests that even these stable landmasses can change. Beneath the center of North ...

The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...