Science Channel HD

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.

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.

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.

When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A Mediterranean island paradise is not all that it seems; a complex of abandoned buildings once served to imprison the world's most dangerous Mafiosi; experts reveal who was imprisoned here and the secrets they left behind.

The remnants of a settlement in Nevada are interspersed with disintegrating machinery; experts uncover an abandoned mine where dreams of discovering a fortune were met with chaos and murder.

A complex of tall, windowless buildings in the American Rust Belt hold the secrets to a lost empire of industry and wealth; experts investigate these mysterious structures to reveal why this once powerful metropolis is now home to abandoned ruins.

A Mediterranean island paradise is not all that it seems; a complex of abandoned buildings once served to imprison the world's most dangerous Mafiosi; experts reveal who was imprisoned here and the secrets they left behind.