Stone tool analysis of sites in Southeast Asia provided evidence that the area was a technological leader in seafaring. Archaeology supports that, 40,000 years ago, the people living in Southeast Asia ...

Using an easy to follow progressive timeline from early beginning to more modern day, students will follow the emerging development and ultimate sophistication of these most notable civilizations.

How many intelligent alien civilizations are out there among the hundreds of billions of stars in the spiral arms of the Milky Way? According to a new calculation, the answer is 36. That number ...