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    China places six astronauts in orbit on its space station for first time

    00:48
  • NASA capsule makes lunar flyby on its way to record-breaking orbit

    00:56
  • NASA successfully launches rocket in Artemis I mission to moon

    01:45
  • Artemis I makes history as U.S. begins return to the moon

    01:32
  • NASA begins journey back to the moon with Artemis I launch

    03:14
  • Artemis I mission launches to the moon

    04:13
  • SpaceX launches Falcon Heavy rocket on Space Force mission

    01:43
  • Congress to get new report shedding light on rise in UFO sightings

    02:20
  • Watch: China launches third module to complete permanent space station

    01:04
  • Aisha Bowe could be one of the first Black women to make commercial space flight

    09:27
  • NASA announces team members for its UFO study

    00:27
  • Pilot shares videos of strange UFO sightings in skies over the US

    02:55
  • Breaking down NASA's successful DART mission

    05:59
  • NASA mission to change asteroid path deemed smashing success

    02:50
  • Japanese rocket instructed to self-destruct minutes after liftoff

    00:50
  • NASA’s ‘DART’ mission succeeds in changing asteroid’s orbit

    01:30
  • Fall foliage is so bright this year that it’s visible from space

    01:39
  • Get a first look at the updated National Air and Space Museum

    03:26
  • SpaceX flight set to arrive at International Space Station

    00:26
  • SpaceX launches four-member crew to International Space Station

    02:11

Giant meteorite lifted from lake in Russia

00:37

The giant meteor fragment weighed more than 1200 pounds. It broke into pieces as scientists removed it from Lake Chebarkul in central Russia where it landed in February. NBC’s Brian Williams reports.