Countdowns
28 May 2013, 01:00 PM ET
Canadian astronaut Chris Hadfield shares some vital tips to life in space in this video guide.
28 May 2013, 12:22 PM ET
Curiosity has been busy since landing on the Red Planet on Aug. 5, 2012.
26 May 2013, 09:13 AM ET
What was your favorite space news story of the last week?
19 May 2013, 07:06 AM ET
What was your favorite space news story of the last week?
16 May 2013, 07:39 AM 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
16 May 2013, 07:00 AM ET
A rundown of the prolific mission's most memorable finds to date.
13 May 2013, 08:19 PM ET
A look back at the Canadian astronaut's five months aboard the International Space Station.
12 May 2013, 10:15 AM ET
These space stations have provided a home for humans orbiting Earth.
12 May 2013, 12:34 AM ET
What was your favorite space news story of the last week?
05 May 2013, 09:03 AM ET
What was your favorite space news story of the last week?
28 April 2013, 10:30 AM ET
What was your favorite space news story of the last week?
21 April 2013, 09:03 PM ET
What was your favorite space news story of the last week?
18 April 2013, 05:40 PM ET
Here are six cool things your body does while living in microgravity.
14 April 2013, 12:40 PM ET
What was your favorite space news story of the last week?
12 April 2013, 05:04 AM ET
Some intriguing tidbits about the Hermit Kingdom's hush-hush missile program.
07 April 2013, 01:00 PM ET
What was your favorite space news story of the last week?
05 April 2013, 10:14 AM ET
Space weapons may have been conceived in the realm of science fiction, but they have since crept closer toward science fact. President Barack Obama has proposed a ban on space weapons in the United States, but other countries are taking active roles in ta
03 April 2013, 07:01 AM ET
Here are some of the most puzzling mysteries facing astronomers today.
31 March 2013, 01:04 AM ET
What was your favorite space news story of the last week?
25 March 2013, 06:00 AM ET
Get to know the California-based private spaceflight company SpaceX.
24 March 2013, 10:00 AM ET
What was your favorite space news story of the last week?
22 March 2013, 07:50 PM ET
Private companies and nonprofit organizations are planning deep space missions to the moon, asteroids and even Mars.
17 March 2013, 04:21 PM ET
What was your favorite space news story of the last week?
15 March 2013, 07:09 AM ET
In the past 20 years, Keck has revealed secrets at the edge of the universe as well as in Earth's own solar system.
11 March 2013, 10:34 AM ET
We have yet to detect a signal from an alien civilization -- so scientists are thinking up novel (and often extreme) ways we may make first contact.
10 March 2013, 02:33 PM ET
What was your favorite space news story of the last week?
08 March 2013, 05:56 PM ET
The newest comet in the Northern Hemisphere is full of surprises.
08 March 2013, 05:20 PM ET
The shootdown of the spy satellite USA-193 sparked talk about the graveyard of outer space, which is crowded with some 17,000 spent rocket stages, dead or dying satellites and countless crumbs of human-made orbital flotsam. An average of one object has re
08 March 2013, 03:42 PM ET
Learn about the huge new radio observatory opening high in the Chilean desert.
03 March 2013, 10:00 AM ET
What was your favorite space news story of the last week?
24 February 2013, 07:59 AM ET
What was your favorite space news story of the last week?
18 February 2013, 12:00 PM ET
Here are five incredible fireballs caught on video: