10 December 2013, 09:59 AM ET
Robonaut 2 (R2) is having its legs tested on the ground while the rest of the robot is undergoing experimental trial on the ISS. The legs will provide mobility necessary for tasks inside and out of Space Station.
09 December 2013, 06:47 PM ET
Data from several NASA satellites have been analyzed and the lowest temperature detected was a record breaking -136° F (-93.2° C) on Aug 10th, 2013 on a high ridge in Antartica. Its nearly 8°F degrees cooler than the previous record.
09 December 2013, 12:49 PM ET
The Mars Science Laboratory radiation detector, in operation for over a year on the Red Planet, is showing levels that are manageable for human exploration but the planet has not been hit with any big solar storms during this time.
09 December 2013, 11:33 AM ET
Data from the Mars Advanced Radar for Subsurface and Ionospheric Sounding instrument, MARSIS. aboard ESA's Mars Express has been used to create this animation of the Red Planets north pole. The ice cap is about 1000km in diameter (621 miles).
06 December 2013, 05:56 PM ET
Find out what happened aboard the International Space Station during the week ending December 6th, 2013. NASA's Josh Byerly gives you the run down.
06 December 2013, 05:50 PM ET
Japanese Astronaut Koichi Wakata managed to see Comet ISON's tail from the International Space Station before it disintegrated on its pass around the sun.
06 December 2013, 04:46 PM ET
Dr. Holly Gilbert, NASA Solar Physics Laboratory Chief/Goddard Spaceflight Center, explains what happens when the magnetic field of the Sun reverses polarity and when the process will be complete.
06 December 2013, 02:58 PM ET
Approximately every 11 years, the magnetic polarity of the Sun reverses. 16 years of high resolution magnetic field line data are animated in magnetic lines. Neon green = positive, purple = negative. (looped 4X)
05 December 2013, 02:43 PM ET
Solar physicists have long suspected that giant heat-flow structures drive the Sun's surface motions. Now they finally have proof from NASA's Solar Dynamics Observatory.
05 December 2013, 02:15 PM ET
On 5 December 2013, NASA's Solar Dynamics Observatory captured a sun storm that recently rotated into Earth's view spewing plasma. The largest eruption is over 15 Earth-diameters "tall."
05 December 2013, 12:18 PM ET
On Nov 24th and 28th, 2013, Kevin Fetter of Brockville, Ontario captured imagery of the U.S. Air Force's X-37B space plane in the night sky. Orbiting Earth for over year, the mission's purpose and capability is "in the black."
04 December 2013, 04:21 PM ET
NASA's Cassini probe has captured the highest resolution video yet of Saturn's odd, hexagon shaped jet stream that spins around the gas giants north pole.
04 December 2013, 12:30 PM ET
NASA's Solar Dynamics Observatory was treated to another lunar transit on Dec 2, 2013. The SDO team compiled the very best views from different imagers onboard the spacecraft.
04 December 2013, 12:12 PM ET
Venus shines its brightest at 4.9 magnitude this month, the Geminid Meteor Shower peaks in mid December and more!. In the market for a telescope? - Click the blue 'SHOP' link above.
04 December 2013, 10:59 AM ET
The U.S. Air Force’s secretive X-37B space plane program launches its third mission, OTV-3, on Dec. 11, 2012 using a United Launch Alliance Atlas 5 rocket. The mission marked the first reflight of an X-37B robotic space plane.
03 December 2013, 05:47 PM ET
An upgraded Falcon 9 rocket lofted the SES-8 telecommunications satellite to a geosynchronous transfer orbit of 80,000km on Dec. 3rd, 2013.
03 December 2013, 02:59 PM ET
In one of the few behind-the-scenes looks at the private space company's assets, the hydrogen/oxygen fueled BE-3 rocket engine is test fired. Its being tested for use on the company's orbital launch vehicle.
03 December 2013, 01:54 PM ET
When a planet transits its star, the change in light tells its tale. Size, mass and atmospheric composition can be derived. Especially critical: Does it have oxygen, the marker of life?
03 December 2013, 12:57 PM ET
Want to know where to find Venus and Jupiter in the morning or the double star in Cassiopeia. Check out the Hubblesite's latest guide to the best places to look in the night sky. Telescopes are just one click away - Click the blue 'SHOP' link above.
02 December 2013, 01:40 PM ET
NASA is vacuum testing the carbon fiber barrier between the Orion capsule and the propellent stage. Its main purpose is to keep dangerous gasses away from the spacecraft.
02 December 2013, 10:41 AM ET
A wispy remnant of the comet survived its whip around the Sun, but is quickly starting to fade from sight. Imagery from NASA/ESA SOHO probe (Nov 30th - Dec 1st) and NASA's STEREO spacecraft (Nov 28th and 29th) are time-lapsed.
02 December 2013, 09:20 AM ET
China successfully launched its first Chang'e 3 lunar lander and Yutu rover, bound for a soft landing attempt and a three-month mission to the Moon.
29 November 2013, 12:53 PM ET
Reports of Comet ISON's demise may have been premature. Its nucleus may still be intact and the coma is brightening as of Nov. 29, 2013 although the outbound ISON seems smaller after its encounter with Sol.
28 November 2013, 05:59 PM ET
The engines were automatically shutdown due to an anomaly on Nov. 28th, 2013. It will carry the SES-8 telecommunications satellite to a geosynchronous transfer orbit. Window has not closed for the day, Nov. 29th has another launch window.
28 November 2013, 04:08 PM ET
The comet has most likely disintegrated under the high heat and gravitational stress of the Sun on Nov. 28, 2013. It is not visible in Solar Dynamics Observatory footage and NASA scientists confirmed that they do not see it.
28 November 2013, 09:37 AM ET
As the comet approaches perihelion on Nov. 28th, 2013, it has significantly brightened and its tail has started to bend . The NASA/ESA SOHO spacecraft has captured imagery.
27 November 2013, 10:22 AM ET
On Nov. 27th, 2013, the NASA/ESA Solar and Heliospheric Observatory (SOHO) captured ISON as it closes in on its Thanksgiving Day date with the Sun. It's traveling at 240,000 mph and is currently surviving the high heat, according to Spaceweather.com.
27 November 2013, 07:21 AM ET
Food scientist Vickie Kloeris gives SPACE.com's @MiriKramer the run down on the food that the ISS crew will be eating on Thanksgiving 2013.
27 November 2013, 06:00 AM ET
A lesser known region of the Large Magellanic Cloud, NGC 2035 (right), has been photographed using the European Southern Observatory telescope in Chile. The effects of new star birth and stellar death are on display.
26 November 2013, 05:05 PM ET
NASA's STEREO-A spacecraft has had its eyes set on the comet for the past few days and has delivered the best time-lapse to date. Comet ISON and the smaller Comet Enke, along with Earth and Mercury can be seen. (looped 3X)
26 November 2013, 10:21 AM ET
NASA Scientist Dr. Michelle Thaller talks to SPACE.com's @TariqjMalik about the possible 'comet of the century' two days prior to its Nov. 28th, 2013 date with the Sun.
25 November 2013, 07:01 PM ET
The manager of NASA's Near-Earth Object Program office Don Yeomans, explains what will be left, if anything, of the possible 'comet of the century' after its date with the Sun (Nov 27th, 2013).