Photography by Paul-Alexander Lejas You may not feel it, but the Earth is moving underneath your feet. Plate tectonics—the processes that move the rigid, cohesive,
For archaeologists working to get a better picture of what life was like in ancient communities, determining the sex of the people who lived there
Image Courtesy of Wikimedia Commons. Before the great explosion of biodiversity in the Cambrian period brought nearly all familiar phyla of animals into the world,
Image Courtesy of Flickr. Scientists have been searching for liquid water on Mars for decades. It’s one of the most vital materials for future human
Image courtesy of Christopher Whalen. Some 330 million years ago, an unassuming soft-bodied cephalopod was buried and fossilized by an influx of sediment in the