NOVA | June 2023

In the far reaches of the solar system, Uranus and Neptune dazzle with unexpected rings, supersonic winds, and dozens of moons. NASA's New Horizons gets a stunning up-close view of Pluto before venturing deep into the Kuiper Belt.
In 2018, Italy's Morandi Bridge collapsed, tragically killing 43 people. For 50 years, the iconic bridge had withstood the elements — and stress from ever-increasing traffic. What went wrong that fateful day? And how can new engineering technology protect bridge infrastructure to prevent such tragic failures in the future?
Ancient footprints in New Mexico's White Sands National Park reveal new evidence of Ice Age humans that walked the land alongside enormous ground sloths and mammoths — thousands of years earlier than archaeologists thought people were in the Americas.
In central China, a vast underground mausoleum conceals a life-size terracotta army of cavalry, infantry, horses, chariots, weapons, administrators, acrobats and musicians, all built to serve China's first emperor, Qin Shi Huang Di, in the afterlife. Lost and forgotten for over 2,200 years, this clay army, 8,000 strong, stands poised to help the First Emperor rule again beyond the grave.