Note: This is the fourth in a series of six Guest Opinions commemorating the Craters of the Moon National Monument Centennial. While southern Idaho’s vast Snake River Plain is lauded and renowned ...

Fig. 3. Lunar volcanic landforms. (A) Floor-fractured crater (44.3°E, 46.5°N), LRO WAC mosaic. (B) Lava flows in the southwestern Imbrium (330.4°E, 25.5°N), Apollo photograph AS15-M-1701. (C) Sinuous ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

The tiny Mojave Desert outpost of Amboy has seen a lot of change over the past 50 years or so. First, Route 66 was bypassed by Interstate 40, directing travelers away from the businesses that had ...