03 June 2008, 01:01 PM ET
New images reveal the Milky Way has two major arms and other minor arms.
30 May 2008, 06:49 AM ET
The most important sky map line is the ecliptic, the sun's apparent path.
15 May 2008, 05:59 PM ET
NASA is expecting delays for the first tests of its shuttle successor.
11 April 2008, 07:00 AM ET
Soaring high in the eastern sky are the Hunting Dogs, Canes Venatici.
14 March 2008, 06:43 AM ET
An increasingly bright gibbous moon won't obscure Sirius, the Dog Star.
29 February 2008, 06:53 AM ET
Why are most star patterns associated with specific seasons of the year?
18 January 2008, 09:05 PM ET
NASA's new Ares I rocket may shake too much.
19 December 2007, 03:59 PM ET
Rep. Dave Weldon has unveiled a plan to keep NASA shuttles flying beyond 2010.
19 December 2007, 07:00 AM ET
NASA is mulling whether its shuttle successor will land on water or dry land.
13 December 2007, 08:14 PM ET
NASA has named its next generation lunar lander the Altair.
12 December 2007, 06:33 PM ET
Boeing won NASA's avionics contract to build a critical system for its Ares I rockets.
12 December 2007, 06:14 PM ET
The margin for error is narrowing for NASA's new lunar orbiter.
29 November 2007, 02:00 PM ET
Stars in our galaxy pump out hot gas that make surrounding nebulas glow.
16 November 2007, 10:08 AM ET
NASA administrator says the Orion needs an extra $2 billion to fly sooner.
14 November 2007, 05:11 PM ET
NASA christened a new test launch pad for its new Orion spaceships on Wednesday.
30 October 2007, 05:53 PM ET
NASA's field centers learned their roles in developing the Ares 5.
19 October 2007, 06:54 AM ET
A junior version of the Perseid meteor shower will peak on Sunday, Oct. 21.
18 October 2007, 12:24 PM ET
Lawmakers rejected a proposal to trim NASAâ€™s budget by $150 million.
17 October 2007, 02:09 PM ET
Could put on a delightful display for skywatchers with clear, dark skies.
08 October 2007, 06:00 PM ET
NASA may use a 'roller coaster' to evacuate astronauts from the Orion.
01 October 2007, 04:36 PM ET
NASA is looking for a new space tailor to build spacesuits for future astronauts.
20 September 2007, 06:12 PM ET
NASA's moon-bound astronauts will live in larger habitats and drive long-distance rovers.
28 August 2007, 04:38 PM ET
NASA taps Boeing to build the upper stage of its Ares I rocket to launch future astronaut.
13 August 2007, 12:01 PM ET
NASA and Alliant Techsystems (ATK) finalized a $1.8 billion contract to design and develop the main stage of the Ares I rocket.
30 July 2007, 01:07 PM ET
NASA's Constellation Program may mount a piloted mission to an asteroid.
16 July 2007, 04:08 PM ET
NASA signed a $1.2 billion contract for Ares rocket upper stage engines.
13 July 2007, 05:30 PM ET
NASA's exploration systems chief is stepping down to spend more time with family.
12 July 2007, 04:28 PM ET
Scott Horowitz, NASA's associate administrator for exploration systems, plans to step down this fall.
07 June 2007, 05:30 PM ET
An ambitious plan is in place to have NASA's space shuttle successor ready by 2013.
06 June 2007, 02:23 PM ET
NASA's plans for shuttle-era spacesuits may leave none remaining.
23 May 2007, 06:00 AM ET
NASA is adding a docking ring to the James Webb Space Telescope (JWST).
11 April 2007, 11:39 AM ET
COLORADO SPRINGS, Colorado ? The future of NASA?s exploration agenda in a post-space shuttle world ? the Orion spacecraft and Ares boosters ? is on target as it moves from contractor blueprints to real hardware.
02 April 2007, 06:15 AM ET
WASHINGTON – The competition is on for two aerospace industry teams vying for the contract to build part of NASA’s next astronaut-launching rocket.
21 March 2007, 06:15 AM ET
NASA has repeatedly sent scale-sized versions of its planned Orion spaceship plummeting back to Earth in a series tests to pinpoint the best way to return future astronauts safely back to terra firma.
01 March 2007, 07:00 AM ET
Next week, a global star party kicks off, and you can join it from wherever you are on the planet. March 8-21, people all over the world will walk outside and check out the stars in the constellation, Orion, the hunter.
05 February 2007, 01:23 PM ET
WASHINGTON – The White House’s $17.3 billion request for NASA in 2008 demonstrates U.S. President George W. Bush’s commitment to replacing the space shuttle by 2014, but might not be enough to offset the impact of a lower-than-expected budget for this yea