17 March 2013, 08:40 AM ET
The massive solar eruption on March 15 sent charged particles toward the Earth at 3.2 million mph, NASA says.
14 March 2013, 11:37 AM ET
The solar blast likely won't cause any problems here on Earth.
11 March 2013, 11:56 AM ET
The NASA Solar Dynamics Observatory's Helio-Seismic and Magnetic Imager snapped imagery of the Sun during a time that was predicted to be part of Solar Maximum (the peak of the 11 year cycle of solar activity). Activity is lower than expected.
08 March 2013, 04:26 PM ET
Explosions on the Sun that blast ionized plasma across space can have a big impact on the day to day lives of humans. The United Nations are taking the matter very seriously.
06 March 2013, 08:30 PM ET
The solar outburst is complicating efforts to bring Curiosity back from a computer glitch.
05 March 2013, 02:43 PM ET
NASA's Solar Dynamics Observatory has entered eclipse season, where the Earth is blocking the Sun from the spacecraft's vantage point. Shortly after the Sun was in full view again, an M1.2 flare popped from Earth-facing sunspot AR1686.
05 March 2013, 10:44 AM ET
The online Slooh Space Camera will offer a live webcast of the sun at 2:30 p.m. ET (1930 GMT) today.
05 March 2013, 10:30 AM ET
Our star's current lull may just be the calm between two storms.
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.