NOVA

UFO Sightings: How Scientists are Trying to Capture More Data

There have been reports of UFO and UAP sightings for decades, but these accounts are often difficult to verify. Now, scientists are in search of the elusive: hard data. From machine learning sites that analyze the sky 24/7, to a crowd-sourcing app that asks the public to submit their own UFO videos, discover the inventive methods at play to capture more data.

UFO Sightings: How Scientists are Trying to Capture More Data

5m

  • Baltimore Bridge Collapse: asset-mezzanine-16x9

    Baltimore Bridge Collapse

    S52 E6 - 53m 32s

    On March 26, 2024, a massive container ship plowed into the Francis Scott Key Bridge, killing six highway workers. How did the ship lose control? Why did the bridge fail so catastrophically? And how many other bridges around the world are at risk?

  • Pompeii's Secret Underworld: asset-mezzanine-16x9

    Pompeii's Secret Underworld

    S52 E5 - 53m 40s

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  • Egypt's Tombs of Amun: asset-mezzanine-16x9

    Egypt's Tombs of Amun

    S52 E4 - 53m 40s

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