Video Archive

  • Solar System’s First Interstellar Visitor Dazzles Scientists

    Astronomers recently scrambled to observe an intriguing asteroid that zipped through the solar system on a steep trajectory from interstellar space—the first confirmed object from another star.

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  • NASA Study: First Direct Proof of Ozone Hole Recovery Due to Chemicals Ban

    For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.

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