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    Russia says it will quit International Space Station after 2024

    01:45
  • Astronaut reacts to telescope images showing historic views of the distant cosmos

    03:17
  • Deep space telescope offers glimpse of galaxies billions of years back in time

    00:52
  • After debunking Trump denialism, Neil deGrasse Tyson tackles 'unexplained' flying objects

    11:30
  • Astronomers reveal first image of supermassive black hole at Milky Way’s center

    02:13
  • Russian invasion of Ukraine could infringe on space program's neutrality

    01:37
  • Scientists hold their breath as James Webb Space Telescope deploys with high hopes

    04:37
  • NASA launches James Webb Space Telescope into orbit

    01:10
  • Jeff Bezos's Blue Origin launches third human spaceflight aboard New Shepard

    02:42
  • How one man went from NASA to novelist

    06:26
  • Scientists hope rocket crash offers insight on protecting Earth from asteroid collision

    05:49
  • Dead satellites and space junk plague low-Earth orbit

    01:41
  • Reckless Russia imperils space station with debris from satellite missile strike test

    01:47
  • Russia missile test blamed for space debris that forced astronauts to take shelter

    03:39
  • Retired astronaut Chris Hadfield discusses new book

    05:39
  • 'It's extraordinary': William Shatner grows emotional describing experience on Blue Origin flight

    05:02
  • William Shatner and Blue Origin crew lifts off from Texas

    03:47
  • Inside Blue Origin: What William Shatner will experience before, during his '3 minutes of fun'

    02:49
  • Watch: All-civilian SpaceX flight splashes down off Florida after three days in orbit

    04:13
  • Walter Isaacson: Space travel 'not just a billionaires boys club' now

    04:53

Wally Funk, the 'heart of this mission,' finally reaches space at 82

01:51

Engineer, physician and retired astronaut Dr. Mae Jemison discusses the importance of the diversification of space flight, and how far science and understanding has come since Wally Funk's participation in the Mercury 13 program.