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.
03 April 2012, 11:15 AM ET
Learn about the science behind the northern and southern lights.
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.
23 March 2012, 05:51 PM ET
An active day on the Sun, March 23, 2012, showcased a solar prominence on the upper western limb and a M1-class solar flare on the lower eastern limb.
22 March 2012, 12:41 PM ET
The Slooh Space Camera in Alaska will host a live viewing of the northern lights.
21 March 2012, 03:00 PM ET
A series of strong solar flares in March 2012 created stunning northern and southern lights.
20 March 2012, 11:59 AM ET
The trigger for explosive solar flares may be found.
20 March 2012, 07:00 AM ET
The technique of "sonifying" data could give scientists a new approach to data mining.
14 March 2012, 01:05 PM ET
The sun spewed an M-class eruption Tuesday afternoon.
13 March 2012, 06:10 PM ET
YouTube users have found a strange dark object tethered to the sun that they say is a refueling UFO spaceship. What is it?
13 March 2012, 10:55 AM ET
The active sun cycle gave skywatchers a thrill on March 12, 2012 at Abisko National Park in Sweden. Chad Blakley captured the striking aurora borealis in its full glory.
12 March 2012, 05:36 PM ET
Skywatchers at high latitudes should be alert for displays of the northern and southern lights.