Extras

    Video thumbnail: NOVA Five Facts About Our Home Planet

    NOVA

    Five Facts About Our Home Planet

    Earth is the only known planet to harbor life.

    Five Facts About Our Home Planet

    Video thumbnail: NOVA Inside Look: "The Planets"

    NOVA

    Inside Look: "The Planets"

    PBS journeys through the solar system to explore NOVA’s “The Planets.”

    Inside Look: "The Planets"

    Video thumbnail: NOVA Five Facts About Hot, Volcanic Venus

    NOVA

    Five Facts About Hot, Volcanic Venus

    Our next door neighbor is most like Earth in terms of size and mass.

    Five Facts About Hot, Volcanic Venus

    Video thumbnail: NOVA The Planets Series Trailer

    NOVA

    The Planets Series Trailer

    The life of our solar system told in five dramatic stories spanning billions of years.

    The Planets Series Trailer

    Video thumbnail: NOVA Behind the Scenes: The Making of "The Planets"

    NOVA

    Behind the Scenes: The Making of "The Planets"

    See the work that went into creating some of the animations in "The Planets."

    Behind the Scenes: The Making of "The Planets"

    Video thumbnail: NOVA The Planets Series Teaser

    NOVA

    The Planets Series Teaser

    The life of our solar system told in five dramatic stories spanning billions of years.

    The Planets Series Teaser

    Video thumbnail: NOVA Back to the Moon Preview

    NOVA

    Back to the Moon Preview

    Discover why scientists and entrepreneurs alike have their sights set on the Moon again.

    Back to the Moon Preview

    Video thumbnail: NOVA Scientists Launch Rocket into the Moon to Find Water

    NOVA

    Scientists Launch Rocket into the Moon to Find Water

    Researchers hope to observe lunar material ejected from an impact.

    Scientists Launch Rocket into the Moon to Find Water

    Video thumbnail: NOVA How Did the Moon Come to Be?

    NOVA

    How Did the Moon Come to Be?

    Scientists have several theories for how Earth's Moon formed.

    How Did the Moon Come to Be?

    Video thumbnail: NOVA Lost Viking Army Preview

    NOVA

    Lost Viking Army Preview

    Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army.

    Lost Viking Army Preview

    Video thumbnail: NOVA Why Did These Vikings' Bones Appear Older Than They Are?

    NOVA

    Why Did These Vikings' Bones Appear Older Than They Are?

    Hint: Carbon in the ocean is different than carbon on land.

    Why Did These Vikings' Bones Appear Older Than They Are?

    Video thumbnail: NOVA Who Was This High-Status Viking Warrior?

    NOVA

    Who Was This High-Status Viking Warrior?

    DNA evidence reveals surprising truth about the identity of a revered 9th-century Viking.

    Who Was This High-Status Viking Warrior?

    Video thumbnail: NOVA First Horse Warriors Preview

    NOVA

    First Horse Warriors Preview

    The advent of horse riding changed the course of human history and our genetic makeup.

    First Horse Warriors Preview

    Video thumbnail: NOVA Milking a Horse is Harder than You Think

    NOVA

    Milking a Horse is Harder than You Think

    To milk a horse, one must trick a mother horse—and trick her well.

    Milking a Horse is Harder than You Think

    Video thumbnail: NOVA Inside the Megafire Preview

    NOVA

    Inside the Megafire Preview

    Scientists investigate the deadly megafires that swept through California in 2018.

    Inside the Megafire Preview

    Video thumbnail: NOVA Camp Fire Survivor Sees Destroyed Home for the First Time

    NOVA

    Camp Fire Survivor Sees Destroyed Home for the First Time

    A resident returns home and witnesses the Camp Fire's destruction firsthand.

    Camp Fire Survivor Sees Destroyed Home for the First Time

    Video thumbnail: NOVA How Did the Camp Fire Start and Spread?

    NOVA

    How Did the Camp Fire Start and Spread?

    From the start, California’s deadliest fire had the potential for disaster.

    How Did the Camp Fire Start and Spread?

    Video thumbnail: NOVA Residents Flee Paradise During the Camp Fire

    NOVA

    Residents Flee Paradise During the Camp Fire

    As the Camp Fire scorches a community in California, residents leave by car and on foot.

    Residents Flee Paradise During the Camp Fire

    Video thumbnail: NOVA Why Fires Move Faster Up a Hill than Down

    NOVA

    Why Fires Move Faster Up a Hill than Down

    U.S.D.A. scientists conduct an experiment to discover why fires move uphill.

    Why Fires Move Faster Up a Hill than Down

    Video thumbnail: NOVA Scientists Use Drones to Track Dead Sea Sinkholes

    NOVA

    Scientists Use Drones to Track Dead Sea Sinkholes

    How do sinkholes come to be, and how do researchers study them?

    Scientists Use Drones to Track Dead Sea Sinkholes

    Video thumbnail: NOVA To Save Water, Women in Jordan Learn to Plumb

    NOVA

    To Save Water, Women in Jordan Learn to Plumb

    Can women tackle the country's water shortage by learning a new trade?

    To Save Water, Women in Jordan Learn to Plumb

    Video thumbnail: NOVA Saving the Dead Sea Preview

    NOVA

    Saving the Dead Sea Preview

    Can a daring water engineering project revive the Dead Sea without altering its chemistry?

    Saving the Dead Sea Preview

    Video thumbnail: NOVA Clues from a Giant Volcanic Eruption Exist Beneath Naples

    NOVA

    Clues from a Giant Volcanic Eruption Exist Beneath Naples

    Dwelling beneath Naples, is Campi Flegrei—a volcano capable of a very large eruption.

    Clues from a Giant Volcanic Eruption Exist Beneath Naples