From preserved plants to T. rex, the material found in these Late Cretaceous rocks has resulted in countless breakthroughs for paleontologists Mountains in Montana’s Makoshika State Park, where some ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure—have been found on Earth. They are formed of simple ...

Wind causes waves to be produced in the water. These can cause erosion of the coast. Wind can also cause material to be transported, for example by longshore drift, which is where sediment moves along ...