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Astrophysicist explains why NASA milestone is 'incredible'
NASA returned its first ever asteroid sample to Earth seven years after launching into space. The OSIRIS-REx spacecraft flew by Earth to deliver the pristine sample from the near-Earth asteroid Bennu.
03:15
- Source:
CNN
Space
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Astrophysicist explains why NASA milestone is 'incredible'

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Why record-setting astronaut was told to 'keep your mouth shut' upon returning to Earth

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This is a sign the Pentagon is taking UFOs seriously

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Here's what the next Mars helicopter will look like

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Professor breaks down why Earth's inner core may have stopped

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'We have impact': DART successfully alters orbit of asteroid
01:09
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- Source:
CNN Business

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Stunning image shows result of two galaxies colliding

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Eerie audio is what a black hole sounds like, NASA says

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See the first images of the surface of Venus
01:41
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- Source:
CNN Business

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Neil deGrasse Tyson explains what NASA's discovery means for life beyond Earth






