Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

The Snowball Earth hypothesis has been largely based on evidence from sedimentary rocks exposed in areas that once were along ...

In 1963, the Glen Canyon Dam was built. It created Lake Powell Reservoir, which straddles Utah and Arizona, to ensure a water ...

Rather than shale that is mined though, Harbor Rock would “cook” river-bottom sediment that the Army Corps of Engineers and other government agencies regularly must dispose of after they ...

ISLA: Look at the shape of this rock, Connor! CONNOR: Good find! That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

Activists and Mayor Mike Stammel are up in arms over a New Jersey-based waste company's plan to build a sludge incinerator in ...