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18 October 2011, 05:00 PM ET
Learn about the Big Bang theory and the evolution of the universe in ten steps.
15 October 2011, 08:00 AM ET
Was it meteorites raining on earth, a secret spy satellite or something else?
15 October 2011, 07:58 AM ET
What was the most amazing view from space this week?
09 October 2011, 07:43 AM ET
Was it NASA's new call for aliens, the future of a secretive Air Force space plane or something else?
08 October 2011, 07:56 AM ET
What was the most amazing view from space this week?
02 October 2011, 06:00 AM ET
Was it the solar flares on the sun, Frankenstein's monster moon mystery or something else?
01 October 2011, 01:41 AM ET
What was the most amazing view from space this week?
25 September 2011, 08:00 AM ET
Was it the satellite falling toward Earth, asteroids that may not have wiped out the dinosaurs or something else?
25 September 2011, 08:00 AM ET
Was it the 'space chicken' nebula, Saturn's rings, a dark red moon over Chile or something else that grabbed you.
22 September 2011, 08:00 AM ET
A rundown of some of the biggest spacecraft to smash into Earth beyond their operators' control.
18 September 2011, 07:42 AM ET
Was it the discovery the real-life version of Luke Skywalker's home planet of Tatooine, clues to Mars' wetter past or something else?
17 September 2011, 06:26 AM ET
Was it the comet that made a death plunge into the sun, an intriguing new crater on Mars or something else that grabbed you.
15 September 2011, 02:00 PM ET
These real planets, moons and asteroids match anything imagined by George Lucas for the "Star Wars" universe.
14 September 2011, 09:31 AM ET
From the mighty Saturn 5 to NASA's new Space Launch System, see how the biggest rockets on Earth compare.
10 September 2011, 04:34 AM ET
Was it the 45th anniversary of the movie Star Trek, events in space to remember 9/11 or something else?
10 September 2011, 03:40 AM ET
Was it the Texas wildfires from space, the world's largest solid motor rocket launch or something else that grabbed you.
06 September 2011, 01:39 PM ET
Classic Star Trek contributed more to the modern world than phrases like "Beam me up, Scotty!" Many of the devices we saw decades ago are now available for use in the real world; we thank the engineers who made real these ten Star Trek technologies. - Bil
06 September 2011, 11:41 AM ET
Almost 100 missions have been sent to the moon. Here are some of the best.
04 September 2011, 07:45 AM ET
Was it the conspiracy theories in the movie "Apollo 18", a giant black hole caught eating one of it's own or something else?
03 September 2011, 07:00 AM ET
Was it the sunrise over Buenos Aires, Hubble's new video, Katia from space or something else that grabbed you.
02 September 2011, 10:14 AM ET
The conspiracy theories still fly despite the fact that NASA did land men on the moon.
31 August 2011, 12:59 PM ET
NASA's Apollo program put the first humans on the moon. See how the missions flew in this photo tour.
28 August 2011, 09:00 AM ET
Was it Hurricane Irene from space, a black hole swallowing a star or something else?
26 August 2011, 07:06 PM ET
Check out the two eyes of Virgo, the swirling eye of Hurricane Irene and the blue tail of a pulsar.
21 August 2011, 06:56 AM ET
Was it the massive sun storm, vegans who could colonize Mars or something else?