Science Channel HD

Inspect a Mongolian mass grave and learn the fate of a platoon of soldiers, then investigate a 5,000-year-old tavern in Iraq; examine an Egyptian scarab that's far from home and ancient tools that show where desert migration routes once lay.

Examine a tiny skeleton in Chile that set off a firestorm of alien speculation; explore a forgotten Silk Road settlement; uncover evidence of a mass sacrifice in northern Peru and visit a multi-faceted military site from the age of the pharaohs.

Look inside the lost tomb of King Thutmose II and get new clues about Egypt's pharaohs; dust off stone hunting structures in Saudi Arabia; visit a 1,200-year-old mosque buried in the Negev Desert and inspect a 30-million-year-old predator skull.

Scan the skeleton of a drowned Stone Age fisherman in Chile and rediscover a vanished golden age in Egypt's lost city of Aten; ancient Chinese mummies reignite a cultural debate; discover a massive biblical-era moat in Jerusalem.

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.

Ponder the fate of a mummy buried with an anguished look on its face; learn the secret to Sumerian power in a buried Iraqi palace; visit a lost oasis that may rewrite Arabian history; travel New Mexican roads that align with the heavens.

An astronomer records an unusual radio signal from beyond the solar system; FBI agents find classified documents at the home of a NASA scientist; when scientists discover strange DNA in the octopus, they examine if their origins could be alien.

A NASA probe captures an image of a familiar structure on Mars' surface.

A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.

Star systems with binary stars, once relegated to science-fiction, may actually exist and serve as ideal places for alien life to thrive.

Experts utilize the latest science and discoveries to investigate the cause of the Milky Way galaxy's gradual death.

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.

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.

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.

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.

In the aftermath of the 9/11 attacks, a series of secret meetings were reported between US military brass and Hollywood filmmakers.

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.

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.

A young woman captures a doll that mysteriously comes to life inside a closet as she house sits alone in Dallas; experts investigate and reveal terrifying accounts of haunted dolls possessed by demonic souls.

A bizarre, tentacled black mass emerges from the seas on an island in the Caribbean, and on-lookers are horrified as it writhes ashore; experts use cutting-edge tech to investigate the origin of this alien invader.

Footage of a wolf-like creature in the remote wilderness of northern Canada could be evidence of a dire wolf, a prehistoric beast that went extinct at the end of the last Ice Age; experts use cutting-edge technology to investigate if it has returned.

A man sees a doctor complaining of agonizing facial pain, and when they investigate, they discover a strange parasitic species living deep in the man's nose; footage of the grisly encounter reveals what happened next.

When footage reveals a man's leg taking on a life of its own, it appears that something alien is trying to burst free; cutting-edge science investigates what explains this strange possession, and what it takes to exorcise the invader inside.

Two young men capture a ghostly figure that begins chasing them on a deserted road in the mountains of Jordan; experts investigate and uncover local tales of black magic practitioners and demonic entities with supernatural powers.

A man sees a doctor complaining of agonizing facial pain, and when they investigate, they discover a strange parasitic species living deep in the man's nose; footage of the grisly encounter reveals what happened next.