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The Giant Ice Planets
Astronomers finally unlock the mysteries of Uranus and Neptune.
Space's Deepest Secrets
Season 7 · Episode 5
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War of the Galaxies
Discover how galaxies are locked in continual combat across the universe.
How the Universe Works
Season 9 · Episode 6
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Transcontinental Secrets
Experts are developing the next generation of revolutionary railroads.
If We Built It Today
Season 2 · Episode 5
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Meeting The Climate Challenge
Explore the action and policies that can now confront climate change.
Introducing discovery+
Season 1 · Episode 3
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Temple of the Island Eater
A mystery in Hawaii points to human sacrifice and a shape-shifting god.
What on Earth?
Season 9 · Episode 7
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Possessed by an Alien
Experts investigate evidence of an alien possession.
Strange Evidence
Season 5 · Episode 7
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Bermuda Triangle of Space
Scientists have detected a region of space they have yet to understand.
Space's Deepest Secrets
Season 7 · Episode 4
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Curse of the White Dwarf
Dead stars called white dwarfs may be the key to understanding the cosmos.
How the Universe Works
Season 9 · Episode 5
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Resurrecting the Titanic
Experts discover if a modern version of the Titanic could be constructed.
If We Built It Today
Season 2 · Episode 4
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Riddle of the Child Mummies
Experts investigate the mummies of three children discovered in Argentina.
Ancient Unexplained Files
Season 1 · Episode 10
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Lost City of the Vampires
Experts uncover a gravesite with the remains of possible vampire burials.
What on Earth?
Season 9 · Episode 6
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Curse of the Dragon's Fire
Experts investigate evidence of flying, fire-breathing creatures.
Strange Evidence
Season 5 · Episode 6
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Curse of the White Holes
Einstein's theory of relativity predicts the existence of white holes.
Space's Deepest Secrets
Season 7 · Episode 3
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Aliens of the Microcosmos
New discoveries reveal the power of microscopic alien organisms.
How the Universe Works
Season 9 · Episode 4
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Code of the Parthenon
Experts reveal if modern-day engineering could rebuild the Parthenon.
If We Built It Today
Season 2 · Episode 3
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Legend of the Cursed Temple
Experts reveal the secrets of a temple believed to be cursed.
Ancient Unexplained Files
Season 1 · Episode 9
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Episodes
Curse of the White Holes
Einstein's theory of relativity predicts the existence of white holes.
Space's Deepest Secrets
Season 7 · Episode 3
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Code of the Parthenon
Experts reveal if modern-day engineering could rebuild the Parthenon.
If We Built It Today
Season 2 · Episode 3
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Space's Great Wall
Astronomers discover a cosmic structure one billion light years long.
Space's Deepest Secrets
Season 7 · Episode 2
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Secrets of the Sun
NASA’s Parker Solar Probe investigates our Sun.
How the Universe Works
Season 9 · Episode 3
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Atlantis Rises
Experts reveal if it's now possible to build a modern Atlantis underwater.
If We Built It Today
Season 2 · Episode 2
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Mystery of the Dead Planets
Astronomers unmask the truly destructive nature of the cosmos.
Space's Deepest Secrets
Season 7 · Episode 1
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Mission to a Comet
Experts embark on a ground-breaking mission to land on a comet.
How the Universe Works
Season 9 · Episode 2
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Aztec Alien Mystery
Images reveal an alien substance in the land of the Aztecs.
What on Earth?
Season 9 · Episode 3
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Journey to a Black Hole
Journey to the M87 supermassive black hole and explore its mystery.
How the Universe Works
Season 9 · Episode 1
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Neanderthal Bigfoot Attack
Experts investigate footage of an ape-like creature in Russia.
Strange Evidence
Season 5 · Episode 3
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Epstein’s Forbidden Temple
Satellite images capture a mysterious building on Jeffrey Epstein’s island.
What on Earth?
Season 9 · Episode 2
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