VOLCANO, Hawaii – About the time jagged edges started poking through my T-shirt as I wormed my way through a tight spot in a lava tube, I began to wonder: What am I doing here?We could have been ...

Evidence of crawling in an Italian cave system sheds new light on how late Stone Age humans behaved as a group, especially when exploring new grounds, says a study published today in eLife. The cave ...

Using multiple methods of analysis, researchers have identified the movements of a group of humans as they explored an Italian cave system during the late Stone Age. Evidence of crawling in an Italian ...