Science Channel HD A once-in-a-lifetime visit to NASA; evidence of aliens in Chile; a UFO video captured by the military; the largest telescope on Earth. 2026-10-27 Josh's journey continues on remote Easter Island, where ancient alien theorists believe extraterrestrials visited a millennium ago; the site of a recent meteorite strike in Zimbabwe that could prove life on Earth began in outer space. 2026-10-27 The hunt for alien life continues in Zimbabwe, where Josh interviews witnesses from one of the largest UFO sightings in modern history; the infamous case that has become known as Europe's Roswell in England. 2026-10-27 Josh's epic search for extraterrestrial life comes to a close in the USA, where a legendary investigation team brings him to a hot case in Arkansas; a researcher who may have new information on the mother of all UFOs. 2026-10-27 Josh's journey continues on remote Easter Island, where ancient alien theorists believe extraterrestrials visited a millennium ago; the site of a recent meteorite strike in Zimbabwe that could prove life on Earth began in outer space. 2026-10-27 The hunt for alien life continues in Zimbabwe, where Josh interviews witnesses from one of the largest UFO sightings in modern history; the infamous case that has become known as Europe's Roswell in England. 2026-10-27 Josh's epic search for extraterrestrial life comes to a close in the USA, where a legendary investigation team brings him to a hot case in Arkansas; a researcher who may have new information on the mother of all UFOs. 2026-10-27 A once-in-a-lifetime visit to NASA; evidence of aliens in Chile; a UFO video captured by the military; the largest telescope on Earth. 2026-10-27 Mary Magdalene played a pivotal role in early Christianity and witnessed the execution and resurrection of Jesus Christ; experts investigate the truth behind her mysterious disappearance and embark on a quest to locate her undiscovered remains. 2026-10-27 The ancient site of Göbekli Tepe is the oldest building complex ever discovered and continues to baffle archaeologists; experts investigate new theories behind its construction as a possible commemoration to a cataclysmic event. 2026-10-27 Legends Hypershock and Bite Force face off in an epic showdown, while up-and-comers try to prove they have what it takes to be crowned 2018 BattleBots World Champion. 2026-10-27 Reigning champion Tombstone takes on the legendary Gigabyte as the battles heat up to take home the renowned BattleBots trophy. 2026-10-27 A Mars mission captures an image of a strange structure on the planet; an intriguing sight on the dark side of the moon; a planet-eating star gives scientists a peek of Earth's bleak future. 2026-10-27 Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe. 2026-10-27 New discoveries cause astronomers to question if the Big Bang really happened; using the latest science, they investigate if it wasn't just the start of the universe but many mysterious multiverses. 2026-10-27 A Navy seaman experiences strange events in the heart of the Bermuda Triangle; an Air Force Staff Sergeant is confronted by an otherworldly being in Iraq; a tech sergeant discovers a haunting visitor in her air base house. 2026-10-27 A Russian Infantryman fights an unknown presence in a Chechen forest. 2026-10-27 An intelligence analyst on a secret mission makes an unearthly discovery. 2026-10-27 An unknown presence pulls an Armed Forces officer into a living nightmare. 2026-10-27 An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy. 2026-10-27 A museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap. 2026-10-27 Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot. 2026-10-27 A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century. 2026-10-27 A stone sphere, a hook and five fragments of wood are the only objects ever discovered inside the Great Pyramid of Giza; experts investigate if they can explain the mysteries behind the only surviving Wonder of the Ancient World. 2026-10-27 In 1953, a team of archaeologists uncovers a bizarre, plastered human skull in the ancient city of Jericho; experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact. 2026-10-28 A musician captures a strange object flying over a highway in California; a tourist takes the most compelling UFO photo ever; two friends fear they were abducted on a road trip. 2026-10-28 A man shares an original Area 51 video from 1992 for the first time; multiple people capture a Texas UFO sighting; a man films an unusual hovering object in Utah. 2026-10-28 Don Wildman goes on a quest to uncover the real story behind the centuries-old mystery of the Loch Ness Monster and to explore a few of the biggest hoaxes associated with the aquatic beast that locals call Nessie. 2026-10-28 A musician captures a strange object flying over a highway in California; a tourist takes the most compelling UFO photo ever; two friends fear they were abducted on a road trip. 2026-10-28