Extras

    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 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