01 October 2012, 09:26 AM ET
A series of active regions lined up on the Sun as they rotated into the view of the Solar Dynamics Observatory over a 3 day span (September 22-24, 2012).
27 September 2012, 01:57 PM ET
By far the most massive planet in our solar system, Jupiter features giant hurricanes, auroras, abstract artistic cloudswirls, and maybe even a solid core. It also protects Earth by gravitationally clearing the solar system of asteroids and comets.
24 September 2012, 03:24 PM ET
NASA's RBSP spacecraft produced the clearest-ever recording of choruses in Earth's magnetosphere.
Primary Section: science
24 September 2012, 11:07 AM ET
Northern Lights photographer Chad Blakely (lightsoverlapland.com) captured amazing imagery over Abisko National Park on Sept. 19th, 2012. He told his Facebook audience: 'After tonight there is no doubt in my mind that the solar maximum has arrived'
20 September 2012, 07:59 PM ET
Energetic particles in the magnetosphere emit radio waves that are audible to humans. The NASA Radiation Belt Storm Probes mission's (RBSP) instrumentation captured an instance of the event. The 'chorus' phenomenon is well known by scientists.
20 September 2012, 06:21 PM ET
Researchers are zeroing in on these mysterious, croissant-shaped solar structures.
20 September 2012, 01:32 PM ET
The fall equinox marks changing seasons this weekend, with a chance of seeing auroras.
18 September 2012, 06:35 PM ET
The peak in solar activity is predicted for early to mid 2013. The space-based X-Ray Telescope (XRT) aka Hinode mission has been fixated on the Sun for years and the increase in activity is truly stunning.
12 September 2012, 05:51 PM ET
See amazing photos of auroras taken in September 2012.
07 September 2012, 07:00 AM ET
A string-like line of plasma was ejected from the sun Aug. 31.
06 September 2012, 12:15 PM ET
NASA's Solar Dynamic Observatory (SDO) caught a M1.6 flare erupting from the sun just as the probe's eclipse season begins. For the month of September, the Earth will cross the SDO's line of sight, creating eclipses like the one in the video.
05 September 2012, 05:49 PM ET
See spectacular photos of the giant solar prominence of Aug. 31, 2012, during a massive sun eruption.
04 September 2012, 06:10 PM ET
A massive solar eruption provided a treat for skywatchers.
30 August 2012, 04:26 AM ET
See photos of NASA's new twin spacecraft, the Radiation Storm Belt Probes, launching on Aug. 30, 2012.
30 August 2012, 04:07 AM ET
The Radiation Belt Storm Probes are encased in a protective aluminum "suit of armor."
29 August 2012, 05:36 PM ET
A series of coronal mass ejections (CMEs) resembling a light bulb erupted from the sun on August 20, 2012. The only question is, what was the sun's big idea?
29 August 2012, 05:00 PM ET
The rounded coronal mass ejection was released by the sun on Aug. 20, 2012.
25 August 2012, 05:49 AM ET
NASA will now try to launch the Radiation Belt Storm Probes mission on Sunday, Aug. 26.
24 August 2012, 02:45 PM ET
The sun is ramping up toward an activity peak in 2013.
24 August 2012, 05:15 AM ET
A rocket tracking system glitch forced the delay, NASA officials said.
23 August 2012, 07:38 AM ET
NASA's twin Radiation Belt Storm Probes will study Earth's radiation-heavy Van Allen Belts.
23 August 2012, 07:16 AM ET
See how twin NASA spacecraft will look inside Earth's radiation belts in this SPACE.com infographic.
20 August 2012, 03:57 PM ET
The Radiation Belt Storm Probes mission was scheduled to blast off Thursday morning.
16 August 2012, 07:01 AM ET
Sprites are ultra-fast bursts of electricity born edge of space.
16 August 2012, 07:00 AM ET
The decadal survey was sponsored by NASA and the National Science Foundation.
15 August 2012, 03:48 PM ET
Rare electromagnetic bursts called 'sprites' that form above thunderstorms were filmed by Japan's NHK television at 10,000 frames per second. In April 2012, the International Space Station also captured the illusive phenomena over Southeast Asia.
14 August 2012, 12:54 PM ET
The coronal mass ejection traveled between 1,800 and 2,200 miles per second.
13 August 2012, 05:36 PM ET
A NASA spacecraft spotted the huge solar filament on the sun.
09 August 2012, 05:17 PM ET
The Radiation Belt Storm Probes have strong shielding to protect from charged particles in space.
09 August 2012, 12:21 PM ET
NASA's Radiation Belt Storm Probe (RBSP) will study the Van Allen Radiation Belts in the Earth's magnetosphere. Dangerous charged particles from the Sun and distant sources pose a threat to astronauts and spacecraft systems.
09 August 2012, 12:21 PM ET
In this space wallpaper, the Radiation Belt Storm Probes Mission, part of NASA's Living With a Star program, will provide unprecedented insight into the physical dynamics of the radiation belts.
09 August 2012, 07:00 AM ET
A pinkish-purple filament snakes between two massive sunspots.
08 August 2012, 05:52 PM ET
The Radiation Belt Storm Probes (RBSP) will study the belts of charged particles around our planet.
07 August 2012, 09:57 AM ET
Looking through ultraviolet filters - a beautiful filament erupting from the Sun's surface can be magnificent, even mystical. On August 4th, 2012, NASA Solar Dynamics Observatory captured sunspots AR1538 and AR1540 sharing super-heated plasma.
07 August 2012, 07:00 AM ET
An amateur astronomer snapped a photo of three solar prominences on the sun.
30 July 2012, 03:32 PM ET
A cloud of plasma and charged particles is expected to deliver a glancing blow to the planet.