26 January 2012, 05:44 PM ET
On Jan. 27, 1967, the crew of Apollo 1 was killed when fire engulfed their spacecraft during a ground test. The disaster stalled America's race to the moon for a year and a half.
11 January 2012, 04:37 PM ET
Learn more about three of the smallest alien planets that orbit a red dwarf star in this infographic.
11 January 2012, 01:24 PM ET
The latest data shows that our Milky Way galaxy is chock full of billions of planets, at least one for every star.
05 January 2012, 04:48 PM ET
Learn more about Russia's failed Mars probe Phobos-Grunt, which will fall to Earth in January, 2012 in this infographic.
31 December 2011, 07:57 AM ET
NASA's twin GRAIL satellites will orbit the moon and measure its gravity field in greater detail than ever before.
20 December 2011, 01:02 PM ET
See how the Earth-size planets around star Kepler 20 measure up to our Earth.
14 December 2011, 05:16 PM ET
The bright planets Venus and Jupiter will move closer together in the evening sky over the next couple months.
13 December 2011, 06:14 PM ET
Paul Allen's Stratolaunch Systems plans to build a giant carrier vehicle in order to air-launch rockets to Earth orbit.
21 November 2011, 05:14 PM ET
For more than 50 years, NASA's robotic deep space probes have carried nuclear batteries provided by the U.S. Department of Energy. Even the crewed Apollo moon landings carried nuclear powered equipment.
18 November 2011, 12:11 PM ET
NASA's Curiosity rover is the size of a small car and will use a unique way to land on Mars.
12 November 2011, 04:20 AM ET
Russia's Phobos-Grunt mission is intended to collect rocks from Mars' moon Phobos, but the spacecraft encountered trouble after launch.
08 November 2011, 09:21 AM ET
NASA's OSIRIS-REx mission will launch a probe to sample asteroid 1999 RQ36 in 2016.
04 November 2011, 01:29 PM ET
Despite making an unusually close pass by the Earth, asteroid 2005 YU55 poses no threat of impact with our planet.
02 November 2011, 05:22 PM ET
The docking of two robotic spacecraft, the Tiangong 1 space station and Shenzhou 8 capsule, provides a preview of larger Chinese space complexes planned for the future.
14 October 2011, 04:41 PM ET
Learn all about ROSAT, a dead space telescope that ceased operating in 1999 and will fall to Earth in October 2011, in this infographic.
23 September 2011, 02:40 AM ET
Get a snapshot view of NASA's Upper Atmosphere Research Satellite (UARS), which will fall to Earth in 2011, in this infographic.
15 September 2011, 12:54 PM ET
Learn about the alien planet Kepler-16b that resembles Luke Skywalker's home world Tatooine in this infographic.
14 September 2011, 04:57 PM ET
See how NASA's new mega rocket, the Space Launch System, measures up for deep space missions in this infographic.
12 September 2011, 12:22 PM ET
Learn how the "super-Earth" alien planet HD 85512 b could potentially support life in this infographic.
29 July 2011, 11:01 AM ET
See how NASA's Juno spacecraft will explore Jupiter like never before in this infographic.
22 July 2011, 04:40 PM ET
Locations on Mars that have been visited by robots from Earth.
14 July 2011, 08:55 AM ET
See how NASA's Dawn spacecraft will visit the asteroids Vesta and Ceres in this infographic.
05 July 2011, 12:10 PM ET
See how engineers turned the dream of winged spaceship into reality.
09 June 2011, 12:01 AM ET
A graphical representation of our solar system to scale - see how far the planets are from the sun in astronomical units.
24 May 2011, 10:34 PM ET
How NASA's new Multi-Purpose Crew Vehicle stacks up against other spaceships in this infographic.
18 May 2011, 10:39 AM ET
See how some of the few confirmed alien solar systems stack up against our own.
01 May 2011, 01:58 PM ET
See the spaceships that have launched astronauts and cosmonauts into space in the first 50 years of human spaceflight.
13 April 2011, 07:53 AM ET
See how the first human spaceflight actually occurred when the Soviet Union launched cosmonaut Yuri Gagarin on Vostok 1 on April 12, 1961.
04 April 2011, 05:51 PM ET
From International Orange to space-age silver, Astronauts' spacesuits have a varied and colorful history. The United States has used at least eight distinct spacesuit models throughout its roughly 50 years of manned spaceflight. Meanwhile, Russia and Chin
29 March 2011, 06:24 AM ET
NASA's Messenger mission is the first ever set to orbit the planet Mercury.
03 March 2011, 10:03 AM ET
Diagram of the U.S. Air Force's X-37B Orbital Test Vehicle.
22 February 2011, 08:32 AM ET
Learn more about space shuttle Discovery's final cargo: a closet for the International Space Station.