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.
18 April 2012, 01:00 PM ET
A devastating storm will hit us sooner or later.
18 April 2012, 07:00 AM ET
SPACE.com writer Mike Wall's thoughts about his whirlwind trip to Alaska to tag along with aurora researchers.
16 April 2012, 04:52 PM ET
The solar flare kicked up a massive explosion of super-heated magnetic plasma.
16 April 2012, 04:43 PM ET
See amazing photos of the powerful solar flare that erupted on April 16, 2012.
16 April 2012, 04:08 PM ET
An active sunspot that merely hours before erupted and lofted a coronal mass ejection, exploded again in a breathtaking display on April 16, 2012. It was not Earth-directed, but this volatile region will have our planet in its sights in coming days.
16 April 2012, 12:07 PM ET
The team took advantage of a dazzling northern lights show early Thursday morning.
16 April 2012, 10:02 AM ET
Researchers led by physicist Ben Longmier (in fur hat) launch a weather balloon to examine Alaska's dazzling northern lights in the early morning hours of April 12, 2012. Such auroras are the result of geomagnetic storms.
16 April 2012, 07:00 AM ET
Snowshoeing in the Alaska wilderness is no walk in the park.
13 April 2012, 03:23 PM ET
The Hubble photos are the first time auroras on Uranus have been seen from Earth orbit.