27 June 2012, 01:01 PM ET
The sun's super-tornadoes are thousands of miles across and may super-heat the star's atmosphere.
26 June 2012, 04:02 PM ET
Solar storms can wreak havoc on power grids and communications infrastructure.
22 June 2012, 10:07 AM ET
See photos from astrophotographers of great aurora scenes from June 2012.
22 June 2012, 07:00 AM ET
The video incorporates thousands of images of auroras over northern Sweden.
21 June 2012, 07:00 AM ET
The solar prominence was seen on June 18 by the Solar Dynamics Observatory.
20 June 2012, 05:16 PM ET
The Slooh Space Camera will air a special show to celebrate the new season.
19 June 2012, 01:56 PM ET
Chad Blakley spent 2000 hours over the last three years photographing auroras in Abisko National Park in Sweden. Editor Thomas Malkowicz compiled time-lapses of thousands of still images to create this truly epic video for www.lightsoverlapland.com.
19 June 2012, 12:02 PM ET
A solar prominence erupted on June 18th, 2012 to some resembling the terrifying creature from the Alien movie series. NASA's Solar Dynamics Observatory team dubbed the phenomenon the "Alien Prometheus Prominence".
18 June 2012, 04:58 PM ET
The flares unleashed two coronal mass ejections that hit Earth on June 16.
18 June 2012, 02:13 PM ET
Sunspot AR 1504 unleashed an M Class flare on June 14th, 2012. The solar storm reached Earth, unraveling auroras in the magnetosphere on June 16th.
14 June 2012, 07:00 AM ET
The T-shirt had kissed the edge of Alaska's northern lights.
12 June 2012, 04:18 PM ET
The powerful March 7th, 2012 X5.4 class flare lit up the instrumentation on the Fermi Gamma-Ray Telescope becoming the brightest object in its field of view. The gamma rays peaked at 2 billion times the energy of visible light.
12 June 2012, 03:21 PM ET
The massive solar flare erupted from the sun on March 7, 2012.
11 June 2012, 07:00 AM ET
Astrophotographer Vegastar Carpentier captured this amazing view of the giant sunspot AR 1476.
07 June 2012, 10:38 AM ET
The northern lights are more formally known as auroras, and are caused by interactions between the solar wind and the Earth's magnetic field.
04 June 2012, 01:46 PM ET
Thomas Ashcraft caught sunspot 1496 flare up and send a wave of super-heated plasma across the face of the Sun on June 3rd, 2012. He also captured the sounds emitted using a shortwave radio telescope.
01 June 2012, 02:55 PM ET
The feature is actually a coronal hole, an area where the sun's outer atmosphere is dark.
31 May 2012, 10:22 AM ET
An unexpected pulse of high-energy particles surprised scientists after moderate solar flare.
29 May 2012, 06:00 AM ET
Swedish skywatcher P-M Heden takes stunning photo of northern lights over northern Sweden.
17 May 2012, 03:04 PM ET
The flare from huge sunspot complex AR 1476 triggered a moderate radiation storm.
17 May 2012, 10:28 AM ET
This multiple filtered/wavelength view of an M5 class solar flare that occurred on May 17th, 2012 was taken by NASA's Solar Dynamics Observatory. It gives researchers a better understanding of the Sun through its many colored eyes.
16 May 2012, 01:00 PM ET
Superflares could pack the punch of 10,000 solar flares.
16 May 2012, 09:41 AM ET
Learn about the people who watch what the sun is dishing out.
16 May 2012, 07:00 AM ET
Test your knowledge of Earth's closest star.
14 May 2012, 03:15 PM ET
Skywatchers in New York safely observed the sun in April to preview for a solar eclipse and Venus transit.
11 May 2012, 02:34 PM ET
See amazing photos of a giant sunspot crossing the face of the sun in May 2012.
11 May 2012, 11:05 AM ET
The sunspot group dubbed Active Region 1476 is one of the largest since the 2003 "Halloween Storm.” This video shows the path and development of this sunspot group from May 5 through May 11, 2012.
11 May 2012, 10:44 AM ET
The solar flares are coming from a sunspot far bigger than the Earth.
08 May 2012, 10:02 AM ET
Sunspot AR1471 unleashed an M-class solar flare on May 7th, 2012. Forecasters at the Goddard Space Weather lab predict that coronal mass ejection will reach Earth on May 9th. These storms can cause brief radio blackouts in the polar regions.
08 May 2012, 06:00 AM ET
The sunspot group AR 1476 measures more than 60,000 miles from end to end.
03 May 2012, 01:00 PM ET
The four-minute video was filmed by crewmembers aboard the International Space Station.
25 April 2012, 02:07 PM ET
Shawn Stockman-Malone captured the greens and purples of the aurora borealis in all their glory over the south shore of the lake in Michigan's upper peninsula. Shot on April 24, 2012 at about 2am.
24 April 2012, 03:51 PM ET
See dazzling photos of the Northern Lights taken in April 2012 around the world.
23 April 2012, 08:21 AM ET
In 2013, the Sun's cycle of activity will peak. An increase in flare producing sunspots will in all likelihood bombard Earth with geomagnetic storms. The planet's shield, the magnetosphere, is well equipped to handle the onslaught.
19 April 2012, 02:31 PM ET
The shirt is still out there in the Alaska wilderness.
19 April 2012, 06:00 AM ET
You might have to ride a snowmobile or don a pair of snowshoes.