He notified Pictured Rocks National Lakeshore of the landscape change. This week, the park is looking back at how the sandstone formation has changed over time, writing on Facebook that major ...

Two Nevada men are facing a year in prison and fines of up to $100,000 each for pushing ancient rock formations off a cliff at the Lake Mead National Recreation Area. Following a two-day trial ...

Most diamond formation probably took place in the Earth in the first couple billion years of the Earth's history. There are diamond deposits that have been discovered that are younger—the rock ...