05 March 2013, 08:52 AM ET
Maximum solar activity (increased amounts of sun flares, sunspots, prominences and coronal mass ejections) is cyclic. 2013 should be the 11-year peak but the Sun is not presenting that way. Researchers think twin peaks may carry into 2014.
28 February 2013, 02:01 PM ET
NASA's twin Van Allen Probes discovered a short-lived radiation belt that flared up in 2012.
26 February 2013, 06:22 AM ET
Cassini's observations give scientists a look at processes that occur during star explosions.
21 February 2013, 12:30 PM ET
The Solar Dynamics Observatory spacecraft captured the video during a July 2012 eruption.
21 February 2013, 12:11 PM ET
Astrophotographer Chad Blakley captured three amazing videos of northern lights over Sweden's Abisko National Park.
20 February 2013, 07:09 PM ET
The giant sunspot is as large as six Earths, NASA says.
20 February 2013, 11:22 AM ET
On July 19th, 2012, NASA's Solar Dynamics Observatory witnessed a medium sized flare accompanied by a enormous magnetic loop of superheated plasma emanating from the surface
12 February 2013, 10:40 AM ET
Chad Blakley (lightsoverlapland.com) captured the dance of the northern lights over Abisko National Park on February 11th, 2013. It has been a very active aurora season around the world due to the peak of the solar cycle.
12 February 2013, 10:38 AM ET
Approaching Solar Maximum stimulates spectacular skies as photographer Chad Blakley (lightsoverlapland.com) captures this aurora activity over Abisko National Park on Feb. 8, 2013. The strong greenish tint indicates oxygen in the lower atmosphere.
11 February 2013, 01:59 PM ET
The Solar Dynamics Observatory has completed the third year of its mission to provide scientists not only with stunningly detailed images of our sun, but a wealth of data that will help further our understanding of the sun-Earth system.
10 February 2013, 01:46 AM ET
A solar eruption aimed at Earth on Feb. 9, could spark auroras later this week.
05 February 2013, 07:00 AM ET
Like a monstrous snake biting its own tail, a giant storm on Saturn only fizzled out after running into its own wake.
31 January 2013, 03:58 PM ET
NASA's Solar Dynamics Observatory caught video of the monster filament erupting from the sun on Jan. 31.
31 January 2013, 06:30 AM ET
The Sunjammer will help test out technology that could be useful for space weather forecasting and interstellar travel.
30 January 2013, 07:00 AM ET
The sun governs how an outer layer of Venus's atmosphere behaves.
23 January 2013, 01:19 PM ET
Using specialized telescopes, scientists get a more colorful picture of the sun.
23 January 2013, 01:05 PM ET
The sun's corona, its outer atmosphere, is actually hotter than the sun itself. See amazing photos of the sun's corona by NASA's rocket-launched Hi-C telescope.
23 January 2013, 01:01 PM ET
The discovery may help explain why the sun's corona is hotter than the sun itself, scientists say.
21 January 2013, 05:57 PM ET
For the first time, researchers have evidence of auroras outside of our solar system.
21 January 2013, 10:02 AM ET
Photographer Chad Blakley (www.lightsoverlapland.com) snapped the aurora borealis over Abisko National Park on January 19th, 2013.
18 January 2013, 06:10 AM ET
A proposal in Iceland takes place under a canopy of aurora.
16 January 2013, 06:56 AM ET
Even small tweaks to the sun's weather cycle can have a ripple effect on Earth's climate.
15 January 2013, 12:43 PM ET
Aurora photographer Chad Blakley (www.lightsoverlapland.com) shot this time lapse of an aurora shimmering through the clouds over Abisko National Park in Sweden on the night of January 13th.
14 January 2013, 01:45 PM ET
A coronal mass ejection (CME) blasted toward Earth Sunday.
11 January 2013, 04:40 PM ET
The medium-class flare erupted around 4 a.m. EST Friday (Jan. 11).
10 January 2013, 07:00 AM ET
What would happen if Jupiter's Big Red Spot appeared on Earth?
04 January 2013, 02:02 PM ET
The New Year's Eve solar eruption stretched across 160,000 miles, but was only a minor sun storm.
04 January 2013, 06:58 AM ET
The sun's 11-year solar weather cycle is expected to hit its peak in 2013, but may fizzle compared to past events.
04 January 2013, 01:29 AM ET
See how solar flares, sun storms and huge eruptions from the sun work in this SPACE.com infographic.
02 January 2013, 06:00 AM ET
The sun spouted off fireworks on New Year's Eve with a striking solar eruption.
31 December 2012, 02:57 PM ET
The Sun helps ring in 2013 with two massive blasts off its eastern limb (as seen by the Solar Dynamics Observatory on December 31st, 2012).
19 December 2012, 09:10 AM ET
Veteran northern lights photographer Chad Blakley (lightsoverlapland.com) says that the 2012-2013 season "has the potential to be the best in many years". Blakley recently captured another powerful ionized oxygen aurora over Abisko National Park.
17 December 2012, 06:00 AM ET
The online Slooh Space Camera will help viewers keep tabs on the heavens all week.
14 December 2012, 07:00 AM ET
Humanity has just one week left to get its affairs in order, if you believe the doomsayers.
13 December 2012, 03:08 PM ET
The aurora borealis was in full swing during the second week of December 2012. Chad Blakley (www.lightsoverlapland.com) was on-hand at Abisko National Park and compiled these incredible time-lapses.
30 November 2012, 03:52 PM ET
The camera revealed a never-seen-before phenomenon.