Extras

    Video thumbnail: NOVA Volcanologists Descend into Mt Vesuvius' Crater

    NOVA

    Volcanologists Descend into Mt Vesuvius' Crater

    Gas samples from Mt. Vesuvius can reveal how close magma is to the volcano's surface.

    Volcanologists Descend into Mt Vesuvius' Crater

    Video thumbnail: NOVA How Do You Get a Rocket to Land Back on Earth?

    NOVA

    How Do You Get a Rocket to Land Back on Earth?

    There's a reason why so few rockets are designed to come back to their launch sites.

    How Do You Get a Rocket to Land Back on Earth?

    Video thumbnail: NOVA Rise of the Rockets Preview

    NOVA

    Rise of the Rockets Preview

    New technologies are promising a new renaissance in space travel.

    Rise of the Rockets Preview

    Video thumbnail: NOVA Decoding the Great Pyramid Preview

    NOVA

    Decoding the Great Pyramid Preview

    New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.

    Decoding the Great Pyramid Preview

    Video thumbnail: NOVA Kīlauea: Hawaiʻi on Fire Preview

    NOVA

    Kīlauea: Hawaiʻi on Fire Preview

    Scientists journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi.

    Kīlauea: Hawaiʻi on Fire Preview

    Video thumbnail: NOVA Einstein's Quantum Riddle Preview

    NOVA

    Einstein's Quantum Riddle Preview

    Join scientists as they grab light from across the universe to prove quantum entanglement.

    Einstein's Quantum Riddle Preview

    Video thumbnail: NOVA Ultima Thule is Surprisingly Flat

    NOVA

    Ultima Thule is Surprisingly Flat

    This discovery could have a big effect on how scientists think about planet formation.

    Ultima Thule is Surprisingly Flat

    Video thumbnail: NOVA Pluto and Beyond Preview

    NOVA

    Pluto and Beyond Preview

    The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.

    Pluto and Beyond Preview

    Video thumbnail: NOVA Days Before Flyby, Ultima Thule Still Mysterious

    NOVA

    Days Before Flyby, Ultima Thule Still Mysterious

    NASA's New Horizons spacecraft is about to visit the most distant object ever explored.

    Days Before Flyby, Ultima Thule Still Mysterious

    Video thumbnail: NOVA Ultima Thule Comes Into Focus as New Images Reveal Secrets

    NOVA

    Ultima Thule Comes Into Focus as New Images Reveal Secrets

    NASA scientists received the most detailed images from its spacecraft, New Horizons.

    Ultima Thule Comes Into Focus as New Images Reveal Secrets

    Video thumbnail: NOVA New Horizons Makes Historic Flyby on New Year's Day

    NOVA

    New Horizons Makes Historic Flyby on New Year's Day

    The New Horizons spacecraft made history by conducting the farthest ever flyby.

    New Horizons Makes Historic Flyby on New Year's Day