Julia Cort

In Egypt's Sahara Desert, there is a fossil graveyard, millions of years old, is known as the Valley of the Whales. Among the skeletons, paleontologists have found a species of ancient whale with four legs that allowed it to walk on land.

Every year thousands of athletes from across the globe flock to Boston to run the city's marathon, known worldwide as the ultimate test of stamina and endurance. But how do you run 26 miles if you have trouble making it around the block? With good coaching, discipline, and lots of support. Follows 13 sedentary people through a nine-month regimen designed to prepare them for the grueling Boston Marathon.

"America is in the midst of the deadliest drug epidemic in US history. In 2017 alone, around 70,000 Americans died from drug overdoses, driven by a dramatic rise in the abuse of opioids like OxyContin, heroin, and fentanyl. It's a slow-motion disaster that is destroying whole communities, with no end in sight. As our nation looks for answers, take an unflinching look at the epidemic through the eyes of those living through it. Along the way, join...

Uncover the secrets of ancient civilizations as Nova journeys to five archaeological sites where teams of experts use traditional techniques to test their hypotheses.

Take the ultimate thrill ride to explore nature's strangest and most powerful objects. Discover new science showing how black holes reshape entire galaxies, warp the fabric of space and time, and might even be portals to another universe.

The Big Bang is when the cosmos started and time itself began. With animation based on space telescope images, NOVA winds back the ages to discover new clues about this ultimate genesis and what happened in the universe's first few seconds.

Ultra-sensitive telescopes have transformed alien planet-hunting from science fiction into hard fact. Join NOVA on a visit to exotic worlds orbiting distant suns to answer an age-old question with thrilling new science: are we alone?