After analyzing the sample, researchers found that the Moon’s oldest and deepest crater on its far side was volcanically active around 2.8 billion years ago. Another sample was even more ancient ...
Deep Bay is a bay near the south-western tip of Reindeer Lake in Saskatchewan, Canada. The bay is strikingly circular and very deep in an otherwise irregular and shallow lake. It is the deepest body ...
My plan for the day was to go hiking at Craters of the Moon National Monument and Preserve. I called the ranger on duty at Craters and asked about conditions, and was assured that the trail I was ...