08 January 2014, 12:11 AM ET
A massive solar flare erupted from the sun on Tuesday (Jan. 7), rising up from what appears to be one of the largest sunspot groups seen on the star's surface in a decade, NASA officials say.
07 January 2014, 03:15 PM ET
An X1-class flare erupted from sunspot AR1944 on Jan. 7th, 2014. A geomagnetic storm may affect Earth, possibly resulting in radio interference, or even electrical blackouts. Earlier in the day, a less powerful M-class flare was recorded as well.
03 January 2014, 01:39 PM ET
Severe solar winds created these awe-inspiring auroras in Abisko National Park in Sweden, captured by lightsoverlapland.com on January 2nd.
02 January 2014, 03:52 PM ET
NASA's Solar Dynamics Laboratory captured this explosive M9-class solar flare on January first, ringing in the New Year with a flare that was almost but not quite X-class.
30 December 2013, 04:04 PM ET
Night sky photographer LeRoy Zimmerman captured these amazing images of aurora borealis over Alaska. See how he captured the views near Fairbanks in early December.
30 December 2013, 04:00 PM ET
See photos of amazing auroras taken by SPACE.com readers in 2013.
26 December 2013, 04:59 PM ET
The Christmas holiday was extra merry for veteran northern lights photographer, who captured yuletide auroras shimmering across the sky over Sweden's Abisko National Park. See how it looked to Chad Blakely in this Christmas aurora video.
26 December 2013, 07:41 AM ET
See amazing solar eclipse and night sky photos taken by SPACE.com readers in December 2013 in this amateur astronomer image gallery.
16 December 2013, 01:33 PM ET
A large coronal hole has rotated its way into an Earth-affecting position. It is a dark region where the Sun's magnetic field is more open and emits high-speed solar wind. Auroras may be on tap for Earth as a result .
11 December 2013, 06:50 PM ET
Our star is now at "solar maximum," the peak phase of its 11-year activity cycle. The overall current cycle, known as Solar Cycle 24, conjures up comparisons to the famously feeble Solar Cycle 14 in the early 1900s, researchers said.
09 December 2013, 01:29 PM ET
Northern Lights dance over a farmhouse in this jaw-dropping night sky photo recently sent to SPACE.com.
09 December 2013, 12:49 PM ET
The Mars Science Laboratory radiation detector, in operation for over a year on the Red Planet, is showing levels that are manageable for human exploration but the planet has not been hit with any big solar storms during this time.
05 December 2013, 03:15 PM ET
Colossal spiral-shaped flows of super-hot plasma have been found on the sun, completing a nearly half-century-long quest to confirm their existence, scientists say.
05 December 2013, 02:15 PM ET
On 5 December 2013, NASA's Solar Dynamics Observatory captured a sun storm that recently rotated into Earth's view spewing plasma. The largest eruption is over 15 Earth-diameters "tall."
25 November 2013, 10:24 AM ET
In 2007, a coronal mass ejection from the Sun tore off Comet Enke's tail. As Comet ISON approaches its closest approach to the Sun, it could suffer the same fate.
21 November 2013, 04:44 PM ET
Night Sky Photographer Mike Taylor has photographed fantastic Northern Lights displays, and then modified the captured images to reflect the less-dramatic colors and hues seen by the naked eye.
19 November 2013, 01:44 PM ET
The sun shot out a powerful solar flare early Tuesday (Nov. 19) morning. Though the flare was not pointed directly at Earth, it did cause a radio blackout at 5:26 a.m. EST (1026 GMT), when the sun fired off the flare, space weather experts say.
19 November 2013, 12:55 PM ET
See photos of the major X-class solar flares of May 2013 as seen by sun-watching spacecraft.
19 November 2013, 10:00 AM ET
See amazing photos of the sun during the peak of solar activity in 2013.
12 November 2013, 12:05 PM ET
From the frigid northern edge of Sweden, videographer Chad Blakley has captured amazing footage this fall of the Northern Lights, which have been stimulated by a recent uptick in solar activity.
11 November 2013, 02:19 PM ET
The sun's polarity is getting closer to flipping. The star's northern hemisphere's polarity has already reversed, and the southern hemisphere should follow suit soon, scientists say.
11 November 2013, 02:14 PM ET
On 9 November 2013, powerful northern lights danced over Abisko National Park in Sweden. Chad Blakley (lightsoverlapland.com) captured the show and compiled this time-lapse.
11 November 2013, 11:01 AM ET
Sunspot AR1890 has erupted with another X class flare on November 10th, 2013. Also, a Sunspot that just recently begun its Earth-facing journey (AR1895) has made its presence know with an M2 flare on Nov. 11th.
08 November 2013, 03:42 PM ET
Set to launch on Nov 18th, 2013, the orbiter seek to rewind the planet's geologic history back to the wet, warm epoch that might have spawned life. MAVEN's instruments may help scientists understand why the planet lost much of its atmosphere.
08 November 2013, 01:50 PM ET
See amazing solar eclipse and night sky photos taken by SPACE.com readers in November 2013 in this amateur astronomer image gallery.
08 November 2013, 10:30 AM ET
Sunspot AR1890 erupted with an X3.3 flare on Nov. 6th, 2013 and an X1.1 flare on Nov. 8th. NASA's Solar Dynamics Observatory captured the fireworks.
06 November 2013, 01:55 PM ET
A powerful X3.3 solar flare erupted at 5:12 p.m. EST (2212 GMT) on Wednesday (Nov. 5) from the sunspot AR1890. The material ejected from the solar flare will probably not create issues on Earth, space weather officials said.
30 October 2013, 01:59 PM ET
Halloween is a traditionally scary time, and 10 years ago the sun joined the fray with one of the most powerful solar storms ever recorded. See the inside story of the Halloween solar storm of 2003 and watch a video of the amazing event here.
28 October 2013, 11:16 AM ET
The sun has just unleashed another major solar flare, the third of its kind in three days, scientists say. The huge solar storm occurred late Sunday at 10:03 p.m. EDT (0203 Oct. 28 GMT). It registered as an X-class solar flare.
25 October 2013, 06:06 PM ET
Veteran night sky observer captures mesmerizing image of the northern lights dancing over Moosehead Lake, Maine. Astrophotographer Mike Taylor of Maine captured the stunning aurora view on Oct. 10.
25 October 2013, 02:22 PM ET
The most recent flare, which erupted at 11:03 a.m. EDT Friday, registered as an X-class event, the most powerful type. It clocked in at X2.1 on the space weather scale, beating out the X1.7 flare that the sun fired off just seven hours earlier.
25 October 2013, 09:30 AM ET
The sun erupted with two of the strongest solar flares it can unleash Friday (Oct. 25), just days after firing off an intense solar storm at Earth. The major solar flares registered as X1.7- and x2-class solar events on the space weather scale.
24 October 2013, 12:15 PM ET
An M9-class eruption lofted a faint coronal mass ejection towards Earth on Oct. 24th, 2013. NASA's Solar Dynamics Observatory captured the fireworks.
10 October 2013, 11:12 AM ET
Glowing green Northern Lights dance through the Norwegian night in an amazing new video by astrophotographer Chad Blakley.
10 October 2013, 07:30 AM ET
The strongest solar flare in nearly two months — an M2.8-class eruption — burst from the sun last night (Oct. 8), causing a minor geomagnetic storm as charged particles from the sun passed by the planet.
09 October 2013, 03:00 PM ET
An M2.8 class flare erupted from Sunspot AR1865 on October 9th, 2013. NASA's Solar Dynamics Observatory captured the fireworks. (looped)