26 July 2011, 03:03 PM ET
Despite its huge size, the giant asteroid Pallas is only visible in telescopes this week.
22 July 2011, 06:00 AM ET
The end of the NASA's space shuttle era is also the end for thousands of workers who have spent decades working in the program.
21 July 2011, 08:00 AM ET
Atlantis will be prepped for retirement at the Kennedy Space Center Visitor Complex in Florida.
21 July 2011, 01:40 AM ET
The space shuttle program is ending, changing the day-to-day lives of many NASA employees.
19 July 2011, 02:04 PM ET
After NASA retires its space shuttles, what will happen to the agency's astronaut corps?
15 July 2011, 04:58 PM ET
SPACE.com's Tariq Malik and Elmo converse about living in space, shuttle launches, and NASA's asteroid bound future.
12 July 2011, 06:01 PM ET
Jim Maser talks about the end of the shuttle era, and what comes next for NASA and the aerospace industry.
12 July 2011, 02:20 PM ET
NASA chief Charlie Bolden accepted responsibility for the delays and said a decision is coming soon.
10 July 2011, 08:41 AM ET
Obama says NASA's last space shuttle launch ends an era, exploration never-ending.
08 July 2011, 05:10 PM ET
While private commercial companies rush to get their spaceship designs done and "human-rated," NASA is forging ahead with its own next generation capsule: the Orion Multi-Purpose Crew Vehicle. Here's a look inside.
08 July 2011, 09:15 AM ET
The future of human spaceflight remains bright in both the public and private sectors, Charlie Bolden said.
07 July 2011, 10:00 PM ET
Nearly 1 million people are expected to watch NASA try to launch Atlantis on the last space shuttle mission.
06 July 2011, 03:03 PM ET
A House-proposed NASA budget bill would scrap the James Webb Space Telescope.
18 June 2011, 01:25 AM ET
NASA's initial new heavy-lift rocket design includes side-mounted solid rocket boosters.
13 June 2011, 05:52 PM ET
NASA and the European Space Agency have picked the experiments for a new Mars lander that will launch toward the Red Planet in 2016.
01 June 2011, 10:35 AM ET
There are a great many wonders to see in the night sky. A telescope is your magic carpet, your time machine and much more.
29 May 2011, 09:30 AM ET
Endeavour will perform an unprecedented test of a new laser-based docking technology.
25 May 2011, 02:09 PM ET
NASA has unveiled the design of its next-generation spaceship, the Multi-Purpose Crew Vehicle (MPCV). But don't get used to that clunky name; we'll be calling it something else soon enough.
25 May 2011, 07:44 AM ET
Inside look at the technology, testing and potential of the multi-purpose crew vehicle and its Orion capsule.
13 May 2011, 04:33 PM ET
The NEEMO 15 support team is conducting engineering tests at the Aquarius undersea laboratory.
11 May 2011, 11:20 AM ET
NASA's Dawn spacecraft took its first photo of its target asteroid, Vesta.
11 May 2011, 01:56 AM ET
See photos from the test launch of NASA's Ares 1 rocket for Orion spaceships.
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.