10 May 2011, 04:25 PM ET
Preparations are underway on the ocean floor off the coast of Florida to get ready for NASA's NEEMO 15 mission in October.
09 May 2011, 08:49 AM ET
Next stop, somewhere beyond Earth's orbit.
05 April 2011, 11:40 AM ET
NASA's ambitions for deep space missions by astronauts needs more life science research.
01 April 2011, 06:46 PM ET
Now is a good time to see the Big Dipper stars and constellation Ursa Major.
22 March 2011, 04:33 PM ET
The Orion vehicle is slated to begin operational flights in 2016.
22 March 2011, 01:57 PM ET
A look at NASA's Orion space capsule, which could carry astronauts to the moon, asteroids and other deep-space locales. The first test flight of the spacecraft is scheduled for 2013.
07 March 2011, 05:35 PM ET
The Senate bill could also provide a $350 million boost in space science spending over 2010 levels.
11 February 2011, 06:20 PM ET
There's real science behind a fake Mars mission going on now in Russia. A look at the Mars500 experiment.
11 February 2011, 08:45 AM ET
Astronauts sent to colonize Mars should avoid getting pregnant en route to the Red Planet.
10 February 2011, 04:37 PM ET
NASA scientists and others think business corporations could bankroll a human mission to Mars.
10 February 2011, 12:10 PM ET
NASA's first prototype of its new manned Orion space capsule has shipped out for rigorous ground tests.
31 January 2011, 08:24 AM ET
Accompanying the well-known star pattern of Orion are two canine constellations in the winter night sky.
28 January 2011, 01:30 PM ET
The constellations of Orion and Taurus point the way to two shining star clusters.
21 January 2011, 01:29 PM ET
Betelgeuse will definitely not produce a supernova bright enough to look like a second sun in 2012.
18 January 2011, 11:17 AM ET
Future research on the Red Planet will focus on searching for signs of alien organisms.
22 December 2010, 04:03 PM ET
After the Big Dipper, probably the best known grouping of stars in the sky is the constellation Orion.
20 December 2010, 10:34 AM ET
Simple tricks and hacks to get you tack-sharp focus on objects seen through a telescope.
20 December 2010, 10:32 AM ET
When you look out deeply into space, you look back far into time. Who might be looking back at you? When did they live? Are they still there? How long will we last? Sky-watching brings wonder...
20 December 2010, 09:37 AM ET
This helpful guide to amateur astronomy introduces you to the night sky, tells you how to best observe it, and explains in simple terms what a telescope really does.
20 December 2010, 08:45 AM ET
The Yuletide evening sky should provide a brilliant spectacle for anyone willing to brave the cold this season.
09 December 2010, 05:08 PM ET
A jumbo jet outfitted with a telescope completed its first science flight Wednesday (Dec. 1), demonstrating the aircraft's potential to observe the infrared universe.
06 December 2010, 07:45 AM ET
While holiday decorations are popping up all over on people's houses this season, they are not the only glittering spectacles to be seen: For the ultimate Christmas lights all you have to do is look up.
30 November 2010, 09:55 AM ET
Lockheed Martin's first Orion space capsule could launch atop a huge rocket in an unmanned 2013 test flight.
10 November 2010, 11:21 AM ET
NASA has awarded a total of $7.5 million spread across 13 different U.S. companies to fund new concept studies into affordable heavy-lift rocket ideas.
28 October 2010, 05:18 PM ET
A space race is on among commercial companies aiming to snag a lucrative contract to ferry astronauts to the International Space Station.
26 October 2010, 06:54 PM ET
The Hubble Space Telescope has peered into a vast stellar nursery and snapped a photo of a newly born star.
01 October 2010, 01:46 PM ET
As NASA's space shuttle program draws to a close, production of the shuttle's external fuel tanks has ceased. Lockheed Martin had built NASA fuel tanks since 1973.
28 September 2010, 03:20 PM ET
NASA's new Orion space capsule is steadily coming together in preparation for a 2013 launch, even though the craft's mission and funding are in limbo at the moment.
22 September 2010, 10:33 AM ET
This video describes the steps engineers are taking to get NASA's new Orion spacecraft ready for launch by 2013.
13 September 2010, 12:30 PM ET
A NASA team's plan rejects parts of the president's space exploration strategy but aligns with a version of the Senate's NASA authorization bill.
07 September 2010, 07:40 AM ET
An instrument on an upcoming mission to orbit will make daily maps of the Red Planet's atmosphere.
03 September 2010, 12:13 PM ET
Researchers are hoping that the Mars500 simulation, which hits the three-month mark this week, will shed some light on significant factors to consider in crew selection for future long-duration missions.
02 September 2010, 01:42 PM ET
New airbag technology that mimics nature's way of protecting seed embryos could take the bumps out of spacecraft landings.
02 September 2010, 08:15 AM ET
In a new letter 30 Nobel laureates and space officials argue for different NASA spending priorities in a bill working through Congress.
31 August 2010, 05:37 PM ET
Human explorers can only reach a limited number of asteroids during the next several decades.
19 August 2010, 08:13 AM ET
Astronauts aboard the International Space Station must work out 2.5 hours per day, six days a week, to stave off the worst effects of muscle atrophy.