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  1. Astronaut captures stunning aurora ray from ISS

    Astronaut captures stunning aurora ray from ISS

    19K
  2. Stunning footage shows Mercury passing in front of the Sun

    Stunning footage shows Mercury passing in front of the Sun

    1.05K
    7
  3. Highlights from test of Launch Abort Motor QM-1 static fire

    Highlights from test of Launch Abort Motor QM-1 static fire

    2.38K
  4. SWEAT: Water Recycling 101

    SWEAT: Water Recycling 101

    2
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    4.01K
  5. SpaceX conducts rocket hover test for astronaut capsule

    SpaceX conducts rocket hover test for astronaut capsule

    2.62K
  6. Real Martians Moment: Training like an Astronaut

    Real Martians Moment: Training like an Astronaut

    5.17K
  8. SpaceX brings KSC's Launch Complex 39A back to life with flight of CRS-10

    SpaceX brings KSC's Launch Complex 39A back to life with flight of CRS-10

    735
  9. Space Station Cosmonauts take a Walk in Space

    Space Station Cosmonauts take a Walk in Space

    269
  10. Watch from the ISS as it passes over Hurricane Jose and Hurricane Irma!

    Watch from the ISS as it passes over Hurricane Jose and Hurricane Irma!

    145
  11. Broom stands upright all by itself while Earth is at the perfect angle

    Broom stands upright all by itself while Earth is at the perfect angle

    137
  12. Scientists baffled: Pluto transmits mysterious X-ray radiation

    Scientists baffled: Pluto transmits mysterious X-ray radiation

    188
  13. 2017 Total Solar Eclipse Viewing Tips - Narrated by George Takei

    2017 Total Solar Eclipse Viewing Tips - Narrated by George Takei

    571
    1
  14. ScienceCasts: Your Immune System... In Space

    ScienceCasts: Your Immune System... In Space

    217
  15. 2017 Total Solar Eclipse Across America Promo

    2017 Total Solar Eclipse Across America Promo

    268