A look at the man-made environment: the city. Over half of the world’s population now lives in the urban jungle. The city is built to keep untamed nature out –…

In the nearly 2,000-year-old text called “The Zohar”, there is a curious passage that describes hidden realms beneath the surface of the Earth–each of which is said to be populated…

NASA is on a mission to send humans to Mars within just 15 years, but to reach this next frontier of space exploration, experts must discover new technology and cutting-edge…