Recent discoveries in archaeology have unveiled a previously unknown civilization that could fundamentally alter our ...

Introduction : our cultural Amnesia -- Adena, first civilizers of North America -- Who were the Adena? -- The keltic fingerprint on prehistoric America -- Hopewell masters of ceremony -- Who were the ...

When we think about interstellar civilizations, we often imagine advanced alien species traveling the cosmos in ships far superior to anything we can imagine today. But what if spacefaring ...