Science Channel HD

Stel and Jess investigate a mysterious Greek island where an advanced ancient civilization built a massive marble pyramid.

A medieval castle-like complex in the remote mountains of Germany contains dark secrets to the Nazi's plan for world domination; experts investigate and uncover a nefarious training facility designed to groom elite Nazi personnel.

Guided missiles, the Wasserfall, and the potentially war-changing V2 were dreamed up and tested in a base in Peenemunde.

Questioning reality with the most mind-melting videos experts can find; discovering see-through animals, algae-powered motorcycles, and a human-sized chicken.

A man eaten alive by leaches; a rainbow at night; a man who pulls a car with his eye sockets.

All things carnage; the world's biggest firework; a watermelon-destroying vacuum cannon; a giant fire tornado; anarchy and chaos.

With more than 80 moons, Saturn could rank among the most dynamic planetary system in Sol's neighborhood; with its giant underground oceans and protective magnetic fields, experts explore how Saturn's moons offer new insight into the Solar System.

Dark Matter is thought to be the cosmic glue that holds the universe together, yet the search for it continues to eluded scientists today.

Former CIA operative Mike Baker investigates top-secret government programs steeped in cutting-edge science; Mike speaks with experts, government officials and scientists to go deeper into the black files than ever before.

In 2013, the USS Jimmy Carter deployed on a classified mission that received a presidential citation of heroism, and now, Mike Baker investigates how this attack submarine may be connected to one of the most daring black file operations in US history.

Unidentified black triangles have been reported in flight over top-secret military bases for decades, and now, Mike Baker investigates if the US government is involved in developing experimental aircraft, or if this could be something otherworldly.

Presidential Emergency Action Documents have the potential to grant the U.S. president unlimited authority; Mike Baker investigates how these files are among the most secretive documents in U.S. government and what might trigger their use.

An image of a pilot donning a Red Eagles patch is captured by photographers during a mysterious fighter jet training exercise; Mike Baker investigates if the U.S. Air Force has revived a black file squadron.

Many U.S. government personnel have reported sustaining unexplained and debilitating neurological injuries while working abroad; Mike Baker investigates if these invisible, mind-altering attacks are evidence of active mind-control programs worldwide.

Uncovered documents reveal a black file containing studies of werewolves, sprites and floating orbs; Mike Baker investigates how the U.S. government may have funded a classified program directly focused on the research of paranormal phenomena.

Cameras capture footage of a ghostly figure in the window of Pablo Escobar's abandoned luxury building, mere moments before it is demolished, and some believe it was the notorious drug lord himself.

Cameras capture footage of millions of strange creatures invading a church, and some wonder if it's evidence of a grisly buried secret.

Cameras capture something shocking in a cemetery: empty graves, as if the dead walked out in the middle of the night; using cutting-edge tech, experts investigate what's behind this apparent evidence of zombie activity.

When a strange, dried-out creature washes ashore down river from a nuclear power plant, some experts suspect it's the mummified corpse of a mutant; using the latest science and technology, this incredible theory is put to the test.

After cameras capture footage of a UFO over Las Vegas, officials claim it's just a meteor, but some suspect something far stranger; using cutting-edge tech, experts investigate if it's evidence of an alien visit or a top-secret military project.

Cameras capture footage of a strange, human-sized egg floating in Arctic waters.

When a strange, dried-out creature washes ashore down river from a nuclear power plant, some experts suspect it's the mummified corpse of a mutant; using the latest science and technology, this incredible theory is put to the test.