How the Universe Works
Spacetime is the secret structure that controls our universe, time, light, and energy.
2026-07-15 13:31:00 +0000 UTC→2026-07-15 14:19:00 +0000 UTC(48m)
Schedule for Space & Beyond
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What on Earth?
Evidence of human sacrifice for the Viking god Odin; shedding new light on Genghis Khan.
2026-07-18 06:37:00 +0000 UTC→2026-07-18 07:25:00 +0000 UTC(48m)
What on Earth?
An abandoned megacity might be home of ancient treasure; investigating Round Table of King Arthur.
2026-07-18 05:49:00 +0000 UTC→2026-07-18 06:37:00 +0000 UTC(48m)
What on Earth?
A lost city near Jerusalem might have been the home of Goliath; bizarre underwater formations.
2026-07-18 05:01:00 +0000 UTC→2026-07-18 05:49:00 +0000 UTC(48m)
What on Earth?
A lake in Transylvania is home of a terrifying secret; a labyrinth is discovered on a Greek island.
2026-07-18 04:13:00 +0000 UTC→2026-07-18 05:01:00 +0000 UTC(48m)
What on Earth?
A forbidden island that was the home of Adolf Hitler; sunken continent in the Indian Ocean.
2026-07-18 03:25:00 +0000 UTC→2026-07-18 04:13:00 +0000 UTC(48m)
What on Earth?
Home of an undiscovered Hobbit-like humanoid species; government experiments into psycho warfare.
2026-07-18 02:37:00 +0000 UTC→2026-07-18 03:25:00 +0000 UTC(48m)
What on Earth?
Ghost town emerges from a lake in Argentina; scientists explore a lost jungle; giant Soviet weapon.
2026-07-18 01:46:00 +0000 UTC→2026-07-18 02:37:00 +0000 UTC(51m)
What on Earth?
A ghost ship with links to the mob; plot to overthrow Queen of England; lake with healing powers.
2026-07-18 00:58:00 +0000 UTC→2026-07-18 01:46:00 +0000 UTC(48m)
What on Earth?
A strange structure shaped like a giant shark; something unexpected in eye of hurricane.
2026-07-18 00:10:00 +0000 UTC→2026-07-18 00:58:00 +0000 UTC(48m)
What on Earth?
Strange mounds in Transylvania might lead to the tomb of the inspiration for Dracula.
2026-07-17 23:22:00 +0000 UTC→2026-07-18 00:10:00 +0000 UTC(48m)
Killers of the Cosmos
Experts discuss the many possible ways that could spark the beginning of the end for the universe.
2026-07-17 22:34:00 +0000 UTC→2026-07-17 23:22:00 +0000 UTC(48m)
Killers of the Cosmos
A team of experts investigates extra-terrestrial beings and their threat to human life.
2026-07-17 21:46:00 +0000 UTC→2026-07-17 22:34:00 +0000 UTC(48m)
Killers of the Cosmos
More than 100 million pieces of small space debris are floating around the Earth.
2026-07-17 20:58:00 +0000 UTC→2026-07-17 21:46:00 +0000 UTC(48m)
Killers of the Cosmos
When a massive star dies, it can direct a blast of radiation that could obliterate all life.
2026-07-17 20:11:00 +0000 UTC→2026-07-17 20:58:00 +0000 UTC(47m)
Killers of the Cosmos
Millions of black holes exist and some of them have the potential to be lethal to earth.
2026-07-17 19:23:00 +0000 UTC→2026-07-17 20:11:00 +0000 UTC(48m)
Killers of the Cosmos
Earth is hit by 100 tons of rock from space every day; most burn up in the atmosphere.
2026-07-17 18:35:00 +0000 UTC→2026-07-17 19:23:00 +0000 UTC(48m)
For All Humankind
Discovering how two space events demonstrate the continuing societal setbacks on Earth.
2026-07-17 16:59:00 +0000 UTC→2026-07-17 18:35:00 +0000 UTC(1h36m)
Confessions From Space: Apollo
The Moon Landing's 50th Anniversary with Astronauts at the Explorer's Club.
2026-07-17 16:11:00 +0000 UTC→2026-07-17 16:59:00 +0000 UTC(48m)
Apollo: The Forgotten Films
The story of the Apollo 11 moon landing is told with footage not seen anywhere else.
2026-07-17 14:33:00 +0000 UTC→2026-07-17 16:11:00 +0000 UTC(1h38m)
Truth Behind the Moon Landing
Experts investigate the moon's waving flag, the trail leading to some of Hollywood's biggest names.
2026-07-17 13:45:00 +0000 UTC→2026-07-17 14:33:00 +0000 UTC(48m)
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