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.
11 April 2012, 10:58 AM ET
See the northern lights of Alaska through the lens of SPACE.com reporter Mike Wall during Project Aether: Aurora.
10 April 2012, 07:36 AM ET
A team of scientists is launching balloons to the edge of Alaska's auroras, and SPACE.com gets a ringside seat.
10 April 2012, 07:00 AM ET
SPACE.com reporter Mike Wall is in Alaska with an expedition studying the northern lights.
10 April 2012, 07:00 AM ET
Project Aether: Aurora is launching weather balloons up to the edge of Alaska's auroras.
09 April 2012, 05:09 PM ET
Earth's aurora displays can be breathtaking to behold. Have you seen one?
05 April 2012, 02:01 PM ET
Northern and Southern Lights may occur on Venus, too.
03 April 2012, 11:41 AM ET
The photo shows the southern lights and New Zealand below two Russian spaceships.
29 March 2012, 07:00 AM ET
The storm spun solar gas at speeds up to 186,000 mph (300,000 kph).
28 March 2012, 03:11 PM ET
A circular storm as wide as five Earths was captured churning on the Sun's surface on Sept. 25, 2011, by NASA's Solar Dynamics Observatory spacecraft. Time-lapsed multiple filter views are looped in this video.
24 March 2012, 11:12 AM ET
Super-heated particles from the March 8th-10th solar storm produced an estimate 26 billion kilowatt-hours of energy. An X-class solar flare caused the Earth-directed solar storm.