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Christa McAuliffe: How her legacy lives on
List of planets spotted outside our solar system now tops 500
Humor website conducts first Rickroll in space
Russian companies plan to construct commercial space station
NASA considering rail gun launch system
Exoplanets - as many of seven of them - spotted in newfound star system
Comet struck Neptune 200 years ago, researchers find
Climate change somehow manages to mess things up in outer space
Israel launches spy satellite
What's more powerful than a supermassive black hole? A supermassive black hole that spins backwards.
Amazing video: A tour of the International Space Station
Once a heretic, Copernicus now re-buried with Catholic honors
Space shuttle Atlantis launches successfully on last scheduled flight (VIDEO)
'Supermassive' black hole gets flung from galaxy
Bizarre hole in space: How did it get there?
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Is it time to rethink the way we search for intelligent alien life?
Did a software glitch doom the European Mars lander? (+video)
Amid worries of declining US influence, a bright silver lining
CO2 levels hit 400 ppm milestone: A prompt to turn Paris deal into action?
Obamacare's ups and downs, as seen by a Republican doctor
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