Ancient thinkers struggled to tell facts from falsehoods just like we do – and their strategies are still relevant today.

An ancient book on astronomy from the 1500s sold for more than £10,000 ($12,200), as a "private international buyer" triumphed over intense competition at a U.K. auction. The Castle of Knowledge by ...

Imagine going back thousands of years and showing off the cool astronomical functions of your smartphone. It can tell the date and time with incredible accuracy. It can pinpoint your location. It can ...

Looking into space can be pretty daunting. How do we make sense of the vast expanse above our heads, the millions of stars we might be able to see, and the billions more we can’t? This new series ...