Asteroid half the size of a football field nears Earth

Asteroid half the size of a football field nears Earth

Asteroid half the size of a football field nears Earth

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Asteroid half the size of a football field nears Earth

Asteroid half the size of a football field nears Earth
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James Mattis is sworn in as defense secretary

James Mattis is sworn in as defense secretary Up next

James Mattis is sworn in as defense secretary