Extras

    Video thumbnail: NOVA Why Eclipses Don't Happen Every Month

    NOVA

    Why Eclipses Don't Happen Every Month

    Why don't solar eclipses happen every month?

    Why Eclipses Don't Happen Every Month

    Video thumbnail: NOVA 7 Stellar Facts about Solar Eclipses

    NOVA

    7 Stellar Facts about Solar Eclipses

    Discover surprising facts about solar eclipses.

    7 Stellar Facts about Solar Eclipses

    Video thumbnail: NOVA How an Eclipse Proved Einstein Right

    NOVA

    How an Eclipse Proved Einstein Right

    The total solar eclipse of 1919 led Albert Einstein down the path toward stardom.

    How an Eclipse Proved Einstein Right

    Video thumbnail: NOVA Watch an Eclipse Safely

    NOVA

    Watch an Eclipse Safely

    With the US eclipse just over a week away, here’s how you can watch it safely.

    Watch an Eclipse Safely

    Video thumbnail: NOVA Eclipse Over America Trailer

    NOVA

    Eclipse Over America Trailer

    The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.

    Eclipse Over America Trailer

    Video thumbnail: NOVA Eclipse Over America Preview

    NOVA

    Eclipse Over America Preview

    The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.

    Eclipse Over America Preview

    Video thumbnail: NOVA What Does Lead Do to the Brain?

    NOVA

    What Does Lead Do to the Brain?

    How does lead poisoning damage the brain—and can we stop it?

    What Does Lead Do to the Brain?