Mars has beckoned humankind for centuries, but only in the last 50 years have we begun to scratch its surface. The latest Martian explorer is Perseverance, an uber-sophisticated rover, chock-full of scientific instruments, including 23 cameras, a robotic arm, lasers, and spectrometers, designed to analyze the terrain and reveal if there was ever life on the Red Planet. Join us as we examine the latest rocket, rover, and interplanetary helicopter.

A team of palaeontologists led by Nizar Ibrahim go in search of Spinosaurus, a giant meat eater believed to be even larger than Tyrannosaurus rex.

In July 2022, NASA’s James Webb Space Telescope released its first images, looking further back in time than ever before to show our universe in stunningly beautiful detail. But that was just the beginning. With tons of new data and spectacular images flooding in, Webb is allowing scientists to peer deep in time to try to answer some of astronomy’s biggest questions. When – and how – did the first stars and galaxies form? And can we see the fingerprints of life in the atmospheres of distant worlds – or even within our own solar system?

NASA's James Webb Space Telescope, from its conception to completion.

Explore the ruins of Port Royal, once a flourishing pirate city, known for extravagance, women and liquor. The city which went by the sobriquet "wickedest city on earth", lies in shambles deep below the waters of Jamaica's Kingston Harbor after a devastating tsunami struck it on June 7, 1692

High in the Peruvian Andes lies the ancient city of Machu Picchu, a lost city of doorways and passages that hint at the ghost of its past. Who were the mysterious people who built it and why

For over a decade, the Cassini space probe has been sending dazzling images of Saturn's breathtaking rings and mysterious moons. Join Nova on a suspenseful ride during Cassini's final hours as it dives into Saturn's atmosphere.

National Geographic: Incredible Human Machine takes viewers on a two-hour journey through an ordinary, and extraordinary, day-in-the-life of the human machine. With stunning high-definition footage, radical scientific advances and powerful firsthand accounts, Incredible Human Machine plunges deep into the routine marvels of the human body. Through 10,000 blinks of an eye, 20,000 breaths of air and 100,000 beats of the heart, see the amazing and surprising, even phenomenal inner workings of our bodies on a typical day. And explore striking feats of medical advancement, from glimpses of an open-brain surgery to real-time measurement of rocker Steven Tyler's vocal chords.

洞穴潜水被称为是'极限中的极限'，是世界公认的，非常具有挑战性的和危险性的极限运动之一，因为压力的改变对人体生理和神经系统的影响，使得每次探险深度的推进变得异常艰难和复杂。片中的Kenny Broad博士将潜入几处形成于冰河时代的洞穴，那时的海平面比现在要低400英尺。随队的有气候学家、古生物学者和人类学家，他们将探求地球气候的历史。