Follow along as NASA launches the Mars 2020 Mission, perhaps the most ambitious hunt yet for signs of ancient life on Mars. In February 2021, the spacecraft blazes into the Martian atmosphere at some 12,000 miles per hour and lowers the Perseverance Rover into the rocky Jezero Crater, home to a dried-up river delta scientists think could have harbored life. Perseverance will comb the area for signs of life and collect samples for possible return to...

Join scientists on the most ambitious Arctic research expedition ever. Facing hungry polar bears, perilous sea ice cracks, and brutal cold, the team strives to understand the forces that are changing the region--and the world--forever.

Five centuries ago, the Age of Exploration and Europe's imperial colonization of far-off lands was launched by a revolution in ship design that made long-distance ocean voyages practical. But exactly how this momentous innovation happened eludes historians. Now, the excavation of a rare intact wreck discovered off the coast of Sweden offers vital new clues to a maritime mystery.

As state-legalized cannabis spreads, NOVA investigates the latest scientific evidence for its potential benefits and risks, and how criminalization has disproportionately harmed communities of color.

"NOVA presents a provocative mix of scientists, economists, and ordinary citizens who are all pushing the envelope of solar power's untapped potential"--Container

From the #1 New York Times bestselling author of the Ella and Micha series comes a powerful story of love, healing, and impossible choices . . . Breaking Nova. Nova Reed used to have dreams-of becoming a famous drummer, of marrying her true love. But all of that was taken away in an instant. Now she's getting by as best she can, though sometimes that means doing things the old Nova would never do. Things that are slowly eating away at her spirit....

From the discovery that the Milky Way is just one galaxy among billions to the stunning revelation that these galaxies are speeding away from each other faster every second, this episode investigates the universe's distant past - and its future. Now, modern telescopes have added a mysterious new twist to the plot: The vast majority of the stuff of the universe is invisible, tied up in dark matter and dark energy. But what are these mysterious dark...

Diseases that were largely eradicated in the United States a generation ago-including whooping cough, measles, mumps-are returning, in part because nervous parents are skipping their children's shots. Vaccines - Calling the Shots, a new NOVA special, takes viewers around the world to track epidemics, explore the science behind vaccinations, and shed light on the risks of opting out. The vast majority of Americans vaccinate their children, and most...

Apollo astronauts and engineers tell the inside story of how the first mission to the moon, Apollo 8, pioneered groundbreaking technologies that would pave the way to land a man on the moon and win the space race.

Over 60,000 years ago, the first modern humans - people physically identical to us today - left their African homeland and entered Europe, then a bleak and inhospitable continent in the grip of the Ice Age. But when they arrived, they were not alone: the stocky, powerfully built Neanderthals had already been living there for hundreds of thousands of years. So what happened when the first modern humans encountered the Neanderthals? Did they make love...