Why space garbage is more lethal than a bullet

Trash on earth is pretty bad. But space trash is at a whole other level.

Trash on earth is pretty bad. But space trash is at a whole other level. Imagine how much damage just a single screw can make when it's hurtling right at you at 17,500mph. You can follow Michelle Thaller on Twitter at @mlthaller.

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Why Elon Musk hopes the Falcon Heavy launch will spark ‘new space race’

SpaceX CEO Elon Musk is encouraging aerospace companies to up their game after successfully launching the most powerful rocket since NASA's Saturn V.

Falcon Heavy launches at Cape Canaveral, photo by Jim Watson/Getty

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Stephen Hawking, Given Two Years to Live in 1963, Is Going To Space Over 50 Years Later

Stephen Hawking has accepted an offer to go to space. He's one of the world's most famous scientists, who's been paralyzed due to ALS for much of his life.

Dr. Stephen Hawking delivers a speech entitled 'Why we should go into space' on April 21, 2008, at George Washington University's Morton Auditorium in Washington, DC. (Photo by Paul. E. Alers/NASA via G

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