He said walkers would still need to have maps and be able to navigate their way as there were some sections where it was not feasible to put up markers. A new guide book for the Cambrian Way was ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.