Rachel Feltman: There’s been a lot of hype around artificial intelligence lately. Some companies want us to believe that machine learning is powerful enough to practically tell the future. But what ...

A lost civilization moved 120-ton stone blocks thousands of years ago, and the question is how they even did it. No cranes, ...

Throughout history, numerous ancient technologies have left researchers and historians pondering the true capabilities of early civilizations. Were they more advanced than we give them credit for? By ...