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.
30 November 2012, 11:39 AM ET
The Murchison Widefield Array radio telescope will be able to identify the trajectory of solar storms, increasing the warning time by 4 times what it is currently. This time-lapse shows the array amongst the scenery of Western Australia's outback.
29 November 2012, 05:50 PM ET
Mercury is the closest planet to the sun, yet still has shadowy secrets.
28 November 2012, 01:01 PM ET
A sun eruption could have sent cosmic ray particles that created a rush of radioactive carbon-14.
27 November 2012, 04:09 PM ET
Although decaying, the Sun's active region (AR1618) erupted with an M1.6 flare on November 27th. Captured by NASA's Solar Dynamics Observatory. There is no threat of geomagnetic storms on Earth.
26 November 2012, 08:46 AM ET
The birth and evolution of an active region on the Sun (AR1618) was captured over 8 days by NASA's Solar Dynamics Observatory. Magnetic fields from the interior of the Sun rise to the surface to form these sunspots.
17 November 2012, 09:27 AM ET
The huge solar eruption does not appear to be aimed at Earth, NASA says.
16 November 2012, 06:14 PM ET
A giant explosion on the Sun was captured by NASA's Solar Dynamics Observatory on November 16th, 2012. It sent a coronal mass ejection into Space but not in Earth's direction.
16 November 2012, 07:00 AM ET
A six-minute NASA mission to study faint flares on the sun successfully launched earlier this month, the space agency said.
15 November 2012, 01:55 PM ET
See photos of Earth's northern lights during November 2012 taken by SPACE.com readers and others.
15 November 2012, 09:57 AM ET
Photographer Guy Strong (www.guystrongphotography.com) captured the aurora borealis just outside of Leland, Michagan on November 14th, 2012.
09 November 2012, 03:15 PM ET
The twin spacecraft will now be known as the Van Allen Probes.
30 October 2012, 03:09 PM ET
Here's a brief rundown of the spookiest things in space, from vampire stars to zombie planets.
25 October 2012, 11:26 AM ET
Extreme Ultraviolet Imaging Telescope (EIT) space wallpaper of a huge, handle-shaped prominence taken on Sept. 14,1999.
23 October 2012, 04:50 PM ET
See how different types of solar flares stack up in this SPACE.com infographic.
23 October 2012, 03:39 PM ET
See images of the solar flare that erupted on Oct. 22, 2012.
23 October 2012, 10:53 AM ET
An X1.8 flare erupted from the Sun on October 22, 2012. Radio interruption and geomagnetic storms may be imminent.