Understanding the eruptive history of volcanoes in Hawaii requires a tremendous amount of time and effort examining deposits. Typically, older eruptions have less material exposed at the surface because younger eruptions bury them, or wind and rain erode them. Such is the case for one of Kīlauea’s largest explosive eruptions, which is not exposed near its source at the summit and must be studied further afield.

Retiring at day's end to a small cabin on the lakeshore, Henry David Thoreau spent two years searching for lessons nature could teach him.

Utah has no legal standing to second-guess President Biden's judgment in restoring the original boundaries of Bears Ears and Grand Staircase-Escalante national monuments in the state, a federal judge has ruled.

A federal judge on Friday chastised the U.S. Fish and Wildlife Service for failing to produce a nationwide gray wolf recovery plan, saying individual plans for the Eastern timber wolf, Northern Rocky Mountain wolf, and Mexican wolf don't meet the requirements under the Endangered Species Act to develop nationwide plan for the gray wolf.