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Interactive: Mars exploration from Viking to MAVEN

November 18, 2013 -- Updated 1856 GMT (0256 HKT)

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Space
November 15, 2014 -- Updated 2119 GMT (0519 HKT)
It's hard to top the tricky, first-ever landing on a comet but we'll try. Here are 11 other space missions to know about.
November 12, 2014 -- Updated 2227 GMT (0627 HKT)
November 2014 may well be remembered as the time when humanity first landed a robotic probe on the nucleus of a comet.
November 7, 2014 -- Updated 2321 GMT (0721 HKT)
Add another entry to the growing list of crazy footage captured by GoPro cameras.
November 1, 2014 -- Updated 1700 GMT (0100 HKT)
It is in our DNA to explore the unknown. But pushing boundaries and exploring space is far from easy.
October 24, 2014 -- Updated 1542 GMT (2342 HKT)
If there's one thing we've learned about the CNN iReport community, it's that you all love to capture celestial events.
October 20, 2014 -- Updated 1958 GMT (0358 HKT)
It was the closest comet near-miss known to astronomers, but everything is alright.
October 15, 2014 -- Updated 1304 GMT (2104 HKT)
It wasn't a trick. But for space geeks, it sure was a treat.
October 13, 2014 -- Updated 0025 GMT (0825 HKT)
Want to ride an elevator into space? A breakthrough in nanotechnology could mean we will be riding into space on a cable made of diamonds.
October 7, 2014 -- Updated 1752 GMT (0152 HKT)
Astronauts lie motionless in a row of compartments with medical monitoring cables connected to their bodies, as their space ship cuts through the silent blackness.
September 20, 2014 -- Updated 1929 GMT (0329 HKT)
This image from the Hubble Space Telescope indicates that a huge ring of dark matter likely exists surrounding the center of CL0024+17 that has no normal matter counterpart.
Scientists are closer to seeing a vast, invisible universe as a spectrometer in Earth orbit picks up possible clues of dark matter.
September 10, 2014 -- Updated 1321 GMT (2121 HKT)
The Soviets sent stray dogs up to conquer space. This is what happened next
August 28, 2014 -- Updated 0920 GMT (1720 HKT)
Scientists believe that a hot gas bubble was formed by multiple supernovas.
August 27, 2014 -- Updated 1547 GMT (2347 HKT)
Robonaut is the next generation dexterous robot
Life aboard the International Space Station.
August 27, 2014 -- Updated 0153 GMT (0953 HKT)
NASA's New Horizons mission hurtles toward Pluto in historic 3 billion mile expedition.
July 15, 2014 -- Updated 0356 GMT (1156 HKT)
Scientists looking for signs of life in the universe -- as well as another planet like our own -- are a lot closer to their goal than people realize.
June 29, 2014 -- Updated 1551 GMT (2351 HKT)
If you think you saw a flying saucer over Hawaii, you might not be crazy -- except what you saw didn't come from outer space, though that may be its ultimate destination.
June 13, 2014 -- Updated 1421 GMT (2221 HKT)
When I first poked my head inside Virgin Galactic's newest spaceship, I felt a little like I was getting a front-row seat to space history.
February 25, 2014 -- Updated 2027 GMT (0427 HKT)
From a sheep ranch in Western Australia comes the oldest slice of Earth we know.
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