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Apr 26, 2016 03:56 PM ET // Ian O'Neill
The protective covers have been removed from the James Webb Space Telescope's mirrors at a NASA cleanroom, showing off the next-generation space telescope's golden beauty.
Apr 25, 2016 01:43 PM ET // Ian O'Neill
Think running a marathon is a challenge? Spare a thought for British astronaut Tim Peake, who not only ran this weekend's 26.2 mile London Marathon, but he did the grueling feat strapped to a treadmill 250 miles above Earth.
Apr 19, 2016 05:00 PM ET // Elizabeth Howell
Here are some of the intrepid spacecraft who have joined the 'interstellar dust club' and picked up particles from outside the solar system.
Apr 7, 2016 02:00 PM ET // Irene Klotz
The chemicals necessary for the formation of life have been detected in lab-grown comet ice -- a discovery that could have huge implications for discovering how life as we know it was spawned.
Mar 13, 2016 07:40 AM ET // Irene Klotz
The first mission in a joint European-Russian campaign to look for life on Mars is scheduled for launch on Monday.
Mar 2, 2016 06:55 PM ET // Robert Z. Pearlman, Editor
Scott Kelly and Mikhail Kornienko, the first astronaut and cosmonaut to log a year on the International Space Station, left a little bit — or rather a little version — of themselves on the orbital outpost before returning to Earth.
Feb 18, 2016 05:30 PM ET // Ian O'Neill
As we anticipate the premiere of 'Telescope' on Discovery Channel this weekend, let's take a look back at just a few of the stunning discoveries and photos from the world's most famous space telescope from the past year.
Feb 17, 2016 07:00 AM ET // Elizabeth Howell
From the discovery that Earth isn't at the center of the universe to detecting the 'echo' of the Big Bang, here are some of the most profound discoveries in astronomical history.
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