A massive 3,000-year-old fortress, long hidden in the rugged highlands of the South Caucasus, has been uncovered in remarkable detail thanks to drone technology. The site was mapped using nearly ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

To develop knowledge beyond text and videos, AIs must have realistic virtual playgrounds where they can make mistakes and learn.