1. Visit science.nasa.gov/ for more.

    Comet Siding Spring is about to fly historically close to Mars. The encounter could spark Martian auroras, a meteor shower, and other unpredictable effects. Whatever happens, NASA's fleet of Mars satellites will have a ringside seat.

    # vimeo.com/102751983 Uploaded 123 Plays 0 Comments
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    Which is brighter--a flurry of Perseid fireballs or a supermoon? Sky watchers will find out this August when the biggest and brightest full Moon of 2014 arrives just in time for the peak of the annual Perseid meteor shower.

    # vimeo.com/101964525 Uploaded 45 Plays 0 Comments
  3. Visit science.nasa.gov/ for more.

    A mysterious X-ray signal from the Perseus cluster of galaxies, which researchers say cannot be explained by known physics, could be a key clue to the nature of Dark Matter.

    # vimeo.com/101309493 Uploaded 78 Plays 0 Comments
  4. Visit science.nasa.gov/ for more.

    The summer of 2014 will be bathed in moonlight as three perigee "supermoons" occur in consecutive months: July, August, September.

    # vimeo.com/100223798 Uploaded 148 Plays 0 Comments
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    A new species is about to join astronauts on the International Space Station: Drosophila melanogaster, also known as the "fruit fly." Genetically speaking, the bug-eyed insects have a lot in common with human beings, and they are poised to teach researchers a great deal about voyaging into deep space.

    # vimeo.com/99634295 Uploaded 422 Plays 0 Comments

NASA ScienceCasts

Science@NASA Plus

ScienceCasts are short videos about fun, interesting, and unusual science topics encountered by NASA’s science missions.

For more, please visit science.nasa.gov/

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