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US 4 days ago Astronauts more likely to experience headaches in space than previously known, study finds
0:03:38 VIDEO March 10 Pentagon's report finding no evidence of UFOs is probably 'spot on target': Dr. Jones
Massachusetts March 5 Whale that vanished from Atlantic over 200 years ago spotted off Massachusetts: 'Shouldn't exist'
AIR AND SPACE March 4 Four new astronauts visit International Space Station where they will stay for 6 months
SCIENCE March 3 Who is Galileo Galilei? Italian philosopher who shaped our understanding of the stars
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