An investigation into the evidence for ancient high technology found across the world. We look into the evidence for ...

More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...

It’s not every day that you get to see something no one in the world has seen before. But Ren Ng and four of his colleagues are lucky enough to have had that experience. A few months ago, Ng sat down ...

While people today are living through the first human-caused global warming event, we aren’t the first to ever live through climate change. For example, between the years 800 and 1400, the world was ...

Plus: US disease monitoring capabilities are disappearing. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. An ...