Science Channel HD A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster; a jet has a close encounter with an unknown object; evidence of a deadly lightning strike invites paranormal explanations. 2026-04-01 Deep sea explorers discover an unknown monster thousands of feet beneath the ocean; killer fog threatens a town in the American Midwest; a truck spontaneously explodes on a busy freeway. 2026-04-01 A strange creature similar to the Loch Ness Monster is spotted in the United States; experts analyze evidence of a giant scaly egg, and some wonder if it belongs to a dragon; birds are suddenly vaporized by an invisible death ray. 2026-04-01 When a mysterious predator eats a shark, experts wonder if a prehistoric monster is to blame; a sinister sight is caught on tape near Russia's Area 51 and the evidence might point to a cover-up. 2026-04-01 Deep sea explorers discover an unknown monster thousands of feet beneath the ocean; killer fog threatens a town in the American Midwest; a truck spontaneously explodes on a busy freeway. 2026-04-01 A strange creature similar to the Loch Ness Monster is spotted in the United States; experts analyze evidence of a giant scaly egg, and some wonder if it belongs to a dragon; birds are suddenly vaporized by an invisible death ray. 2026-04-01 When a mysterious predator eats a shark, experts wonder if a prehistoric monster is to blame; a sinister sight is caught on tape near Russia's Area 51 and the evidence might point to a cover-up. 2026-04-01 A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster; a jet has a close encounter with an unknown object; evidence of a deadly lightning strike invites paranormal explanations. 2026-04-01 In Montana, Clayton Phipps prepares to learn if his carnivore skeleton belongs to a tyrannosaurus rex or the controversial nanotyrannus; in Wyoming, Mike Harris and Aaron Bolan race against the impending winter digging at a promising new site. 2026-04-01 A fire-breathing crater burns in the middle of a desert, and some believe it to be a gateway to hell; a deadly shark lurks in a golf course water hazard; a giant white blob threatens a town in California. 2026-04-01 Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons. 2026-04-01 The discovery of geysers on a moon; NASA's mission to detect life; an object is spotted approaching an asteroid. 2026-04-01 A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon; why there are blueberries on Mars. 2026-04-01 Exploring new discoveries that rewrite the history of the solar system, revealing a complex and violent story that begins with the birth of the sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star. 2026-04-01 Galaxies are locked in continual combat across the universe, and the Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy. 2026-04-01 Drill down on maintenance and safety lapses that derailed amusement park rides. 2026-04-01 Bridge collapses have etched hard lessons into the history of engineering; Tacoma, Minneapolis, Genoa, symbols of innovation that have become stark reminders of what happens when flaws go unchecked. 2026-04-01 Look back at the Tenerife, Kegworth, and Paris Concorde air disasters; investigate the design defects that made these aircraft vulnerable; look at the role air traffic miscommunications played; relive the terrible moments before disaster struck. 2026-04-01 Pinpoint the mistakes that cause major structural failures; explore the preventable explosion inside London's Ronan Point; the code violations that collapsed Lalita Park; the short circuit that set off a deadly fire in Tehran's Plasco Building. 2026-04-01 When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies. 2026-04-01 Hunt for the root cause of atomic accidents; examine the Windscale fire, which led to safer reactor designs; learn why swift crisis management helped in the Three Mile Island incident; see why improper waste disposal fuelled the Kyshtym disaster. 2026-04-01 The Genoa bridge collapse takes down a symbolic crossing and becomes one of Italy's deadliest engineering disasters; experts investigate and uncover years of slow deterioration to the structure's heavily corroded concrete encased cables. 2026-04-01 Tragedy strikes a bustling Canadian shopping mall when a parking garage suddenly collapses resulting in a fatal disaster; expert engineers use the latest technology to investigate and uncover a deadly design flaw that could have been prevented. 2026-04-01 A deadly design flaw results in a horrifying rush hour bridge collapse that tragically leaves 13 dead in Minneapolis; using the latest science, experts investigate to reveal what went so catastrophically wrong on one of Minnesota's busiest crossings. 2026-04-02 An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion. 2026-04-02 A series of violent explosions rips through a major Texas oil refinery, causing a fatal disaster and devastation on a terrifying scale; experts use the latest science to investigate and uncover what triggered a catastrophic malfunction. 2026-04-02 Tragedy strikes a community when a condominium complex collapses in Miami, resulting in one of the deadliest engineering disasters in American history; experts investigate and reveal potential flaws in the structure's flat slab construction. 2026-04-02 An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion. 2026-04-02 A series of violent explosions rips through a major Texas oil refinery, causing a fatal disaster and devastation on a terrifying scale; experts use the latest science to investigate and uncover what triggered a catastrophic malfunction. 2026-04-02 Tragedy strikes a community when a condominium complex collapses in Miami, resulting in one of the deadliest engineering disasters in American history; experts investigate and reveal potential flaws in the structure's flat slab construction. 2026-04-02 A deadly design flaw results in a horrifying rush hour bridge collapse that tragically leaves 13 dead in Minneapolis; using the latest science, experts investigate to reveal what went so catastrophically wrong on one of Minnesota's busiest crossings. 2026-04-02 When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies. 2026-04-02 Hunt for the root cause of atomic accidents; examine the Windscale fire, which led to safer reactor designs; learn why swift crisis management helped in the Three Mile Island incident; see why improper waste disposal fuelled the Kyshtym disaster. 2026-04-02 Lost tapes show that Apollo astronauts heard unexplained transmissions on the far side of the moon; an amateur astronomer finds an odd disturbance in Martian atmosphere; an unidentified object in Earth orbit starts stalking Russian spacecraft. 2026-04-02 Astronauts evacuate when a mystery object hurtles toward the ISS; a NASA secret agent goes undercover to retrieve missing moon rocks; scientists struggle to find answers when they discover a huge void at the edge of the solar system. 2026-04-02 Spaceships powered by atomic bombs; artificial rings encircle an entire star; Neil Armstrong's transmission feed cuts off when he spots strange lights on the moon; how can lightning talk to itself. 2026-04-02 Mars is infested with robots, orbiting the planet and roaming the Martian surface on a mission to uncover its secrets; now, Perseverance joins this dedicated group of machines to uncover if there is, or was ever, life on the Red Planet. 2026-04-02 The collision of two supermassive black holes is the most violent event that can occur in the universe; experts explore where a black hole's energy originates and what really happens when the two most powerful objects in the cosmos clash. 2026-04-02 The legend of the Fountain of Youth might finally be explained by hidden messages encoded in a 500-year-old map, and using cutting-edge archaeological methods, experts explore forgotten caves and perilous waters to reveal long-lost secrets. 2026-04-02 New evidence suggests the Mayan empire may have reestablished themselves in America; using high-tech mapping systems, Justin and Emiliano scan the Florida landscape as they search for ancient canoes and flat-topped pyramids. 2026-04-02 Long-lost maps offer fresh clues in the hunt for the Ark of the Covenant; using the latest archaeological methods, experts retrace through steps through the Holy Land, Egypt and Ethiopia to make a game-changing discovery. 2026-04-02 New evidence suggests the Knights Templar fled Europe and rebuilt their warrior order in the Americas a century before Christopher Columbus; experts use technology to investigate long-lost relics to see if they confirm this game-changing theory. 2026-04-02 Meriwether Lewis was the man who teamed with William Clark to map the lands west of the Mississippi, but he died in mysterious circumstances; experts reveal a vast conspiracy that could prove that one of America's greatest explorers was murdered. 2026-04-02 New discoveries at the site of an alleged long-lost gold mine could lead investigators to a $200 million payday; experts use cutting-edge tech to investigate clues in long-lost maps and relics to recover the Lost Dutchman's treasure. 2026-04-02 New evidence from one of the world's oldest maps offers clues to a long-lost civilization of untold treasure, and this cutting-edge expedition might finally prove that this mysterious kingdom is the ancestral home of the ancient Egyptians. 2026-04-02 A deserted facility in the remote countryside features mysterious graffiti that may be highly advanced mathematical equations pointing to a dark secret; experts investigate this classified military wasteland with a deadly past. 2026-04-02 Remnants of a town in the remote backwoods of Kentucky suggest a forgotten tale of catastrophe and devastation; experts investigate and uncover the history of a deadly industrial mining complex. 2026-04-02 An underground labyrinth once used by a secret police force could warp the mind and turn friend into foe; experts turn up new evidence pointing to madness, murder and mayhem, revealing what happened in these cursed tunnels and why it was abandoned. 2026-04-03