What are the best Ark mods in 2026? The dino-survival multiplayer game has been immensely popular ever since it was released seven years ago, with a whole host of content added post-launch. If you've ...

This is a follow-up to a story that appears in the June 2018 issue of National Geographic magazine. On a fall morning in 1937, an Emory University geologist was walking down a hallway in the alumni ...