The fossil record documents the history of life, but the reliability of that record has often been questioned. Spatiotemporal variability in sedimentary rock volume, sampling and research effort ...

Yoshitsugu Kobayashi (far left), Gilbert Huntington (second left), Tony Fiorillo (center) and Paul McCarthy (seated) look over a geologic map of Alaska to figure out where the best opportunity to find ...

Rocks once buried deep in ancient subduction zones—where tectonic plates collide—could help scientists make better predictions of how these zones behave during the years between major earthquakes, ...

(PhysOrg.com) -- It's amazing what cleaning your glasses can reveal. A mineral-scouting instrument developed at Arizona State University has found an outcrop of rock rich in carbonates in the Columbia ...

This image from the panoramic camera on NASA’s Mars Exploration Rover Opportunity shows the best examples yet seen in Meridiani Planum outcrop rocks of well-preserved, fine-scale layering and what ...

Since July, NASA’s Perseverance rover has drilled and collected four slim cores of sedimentary rock, formed in what was once a lake on Mars. They are the first of this type of rock to be gathered on ...