A high-energy chronicle of the belief about a flat earth challenges popular conceptions to reveal how flat-earth beliefs were prevalent throughout the nineteenth century as well as ancient civilizations, in an account that reveals the cultural and religious sources of flat-earth belief systems.

The development of lunar orbiters has afforded humans the opportunity to observe, for the first time, the rugged and cratered landscape of the far side of the moon. Byrne (formerly, systems engineer, Apollo Program for Lunar Orbiter Photography) has taken the best of the images, reprocessed them to remove the inevitable scanning defects, and assembled them into a magnificent atlas that illustrates this previously unknown land in exquisite detail.

Jet Propulsion Laboratory scientists use advanced technologies to track asteroids and comets that have the potential to one day come close to Earth.