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Why Bridges Collapse
Can new engineering techniques help prevent deadly bridge collapses?
S46 Ep18 | 53m 9s
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The Planets: Ice Worlds
Beyond icy worlds of Uranus and Neptune, Pluto dazzles with its mysterious ocean.
S46 Ep16 | 52m 48s
The Planets: Saturn
NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a moon.
S46 Ep15 | 53m 24s
The Planets: Jupiter
Jupiter's massive gravitational force has made it a wrecking ball and a protector of Earth
S46 Ep14 | 53m 18s
The Planets: Mars
Before it was a dry planet, Mars was a wet world that may have hosted life.
S46 Ep13 | 53m 54s
The Planets: Inner Worlds
The rocky planets have similar origins, but only 1 supports life. Was it always this way?
S46 Ep12 | 53m 54s
Back to the Moon
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
S46 Ep11 | 53m 39s
Lost Viking Army
Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army.
S46 Ep10 | 53m 9s
First Horse Warriors
The advent of horse riding changed the course of human history and our genetic makeup.
S46 Ep9 | 53m 9s
Inside the Megafire
Scientists investigate the deadly megafires that swept through California in 2018.
S46 Ep8 | 53m 16s
Saving the Dead Sea
Can a daring water engineering project revive the Dead Sea without altering its chemistry?
S46 Ep7 | 53m 15s
The Next Pompeii
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
S46 Ep6 | 53m 10s
Rise of the Rockets
New technologies are promising a new renaissance in space travel.
S46 Ep5 | 53m 42s
Decoding the Great Pyramid
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
S46 Ep4 | 53m 44s
Kīlauea: Hawaiʻi on Fire
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.
S46 Ep3 | 53m 21s
Einstein's Quantum Riddle
Join scientists as they grab light from across the universe to prove quantum entanglement.
S46 Ep2 | 53m 34s
Pluto and Beyond
The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
S46 Ep1 | 53m 51s