Science Channel HD

When instruments on the International Space Station suddenly malfunction every time it passes over a mysterious site in the Atlantic Ocean, experts investigate if this eerie behavior is more than just a tech glitch, but a prophecy of global doomsday.

Mysterious circles of reindeer appear in the remote tundra of Sweden; experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.

When the people of a thriving Midwestern town suddenly disappear, they leave behind an eerie ghost town with a dark secret; experts use cutting-edge tech to investigate if the mysterious exodus could be evidence of a freak natural disaster.

New satellite evidence shows a mysterious spiral structure from space, and experts think it could be the lost city of Atlantis; using cutting-edge technology, they investigate the truth behind this odd phenomenon.

Stonehenge is an astonishing achievement of ancient construction that continues to baffle engineers thousands of years later; now, experts use the latest science to discover the logistics behind erecting another legendary monument today.

The Parthenon is the crowning jewel of ancient Greek architecture and it was engineered according to a mysterious mathematical formula; expert builders examine the secrets of its design and investigate if modern-day methods could rebuilt it.

Fan favorites Yeti and Witch Doctor face off in a world-class fight as top competitors battle to earn their spots in the postseason tournament.

Rookie bot End Game and former BattleBots champ Bite Force duke it out in an action-packed night of battles.

Life may have been found on Mars; mysterious Moon Pigeons.

We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena.

The universe's stars are dying off faster than new ones are born; using the latest technology, experts investigate the secrets of the last stars of the cosmos and what this stellar apocalypse means for life on Earth.

The shattered skull of a 19th century railway worker is now one of the most astonishing objects in the history of medical science; experts explore this traumatic injury to reveal how it changed the field of neuroscience.

Containing intricately carved concentric circles, the Towie Ball is one of the finest Neolithic stoneworks ever discovered; using cutting-edge imaging technology, experts investigate the purpose behind this 5,000-year-old black stone mystery.

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.

Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot.

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.

Discovered in the ruins of the ancient city of Ur, a mysterious wooden box adorned with an elaborate mosaic continues to mystify archaeologists today; experts explore the meaning behind its intricate and enigmatic images.

In 1953, a team of archaeologists uncover 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.

An Infantryman encounters an otherworldly presence on a training mission.

An unknown presence pulls an Armed Forces officer into a living nightmare.

U.N. Peacekeeper develops a mysterious power to fight off a deadly foe.

An intelligence analyst on a secret mission makes an unearthly discovery.

A Russian Infantryman fights an unknown presence in a Chechnyan forest.

An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy.

An intelligence analyst on a secret mission makes an unearthly discovery.