24 June 2015, 02:54 PM ET
Astrophotographer John Chumack (galacticimages.com) captured about 1.5 hours of aurora images on March 31st, 2015, and time-lapsed them. He used a Canon 6D DSLR with a Star Adventurer panning device.
23 June 2015, 11:34 AM ET
Auroras reached as far south as Philadelphia yesterday (June 22) after a massive burst of particles was ejected from the sun and pummeled Earth's atmosphere. This strong solar storm continues to rage, and auroras are expected be visible again tonight.
19 June 2015, 08:57 AM ET
On it’s way over the limb, as the Sun rotates, sunspot AR2365 popped a massive coronal mass ejection into space on 18 June 2015. The cloud of charged plasma was not, fortunately, moving along the line between Earth and Sun.
16 June 2015, 07:01 AM ET
The sun is constantly roiling with activity, and every so often, it ejects a huge cloud of magnetized gas particles. If these particles hit Earth, they can bring power grids, GPS navigation and communications to a standstill as they're blasted by electrom
30 May 2015, 07:30 AM ET
A giant eruption from the sun that scientists thought would hit Earth in 2014 missed because the sun's magnetic field channeled it away from the planet in an unexpected way, researchers say.
20 May 2015, 05:45 PM ET
Alien planets likely experience "space weather," just like Earth's solar system. A team of scientists is trying to determine if such weather could make other planets inhospitable to life.
17 May 2015, 09:17 AM ET
From the coast of Japan to a dragon selfie, don't miss these amazing space images of the week for May 17, 2015.
10 May 2015, 09:05 AM ET
Russia's failed Progress 59 cargo spacecraft fell back to Earth, SpaceX's Dragon crew capsule launched on its first big test and the sun fired off its most powerful flare of 2015 so far. Here's a look at Space.com's top stories of the week.
08 May 2015, 09:46 PM ET
From espresso in space to a green and gold aurora, don't miss these amazing space images of the week for May 10, 2015.
07 May 2015, 03:00 PM ET
Researchers have reproduced a wide array of life's building blocks in a scenario involving meteorites and the solar wind, suggesting that such chemicals may exist on many bodies in our solar system.
06 May 2015, 06:23 AM ET
The X-class solar flare — the most powerful class of sun storm — erupted Tuesday from a sunspot called Active Region 2339, peaking at 6:11 p.m. EDT. NASA's Solar Dynamics Observatory spacecraft captured a gorgeous video of the flare.
05 May 2015, 07:42 PM ET
Sunspot AR2339 unleashed an X2.7 solar flare on May 5th, 2015. A radio blackout alert was issued for areas over the Pacific Ocean by NASA/NOAA. NASA's Solar Dynamics Observatory (SDO) captured the fireworks in multiple wavelengths.
04 May 2015, 09:51 AM ET
Astrophotographer John Chumack (galacticimages.com) captured 2 hours and 40 minutes of northern lights images in March 2015, and time-lapsed them into 3 minutes of geomagnetic amazement.
04 May 2015, 07:13 AM ET
Ropes of hot material that twist and writhe on the surface of the sun appear in unprecedented detail thanks to new observations.
29 April 2015, 03:30 PM ET
Jupiter's aurora — constant curtains and waves of electric-blue colors high in the murky brown atmosphere — flare up because of an effect that has nothing to do with the sun and everything to do with the gas giant's moons.
06 April 2015, 02:22 PM ET
Thanks to instruments on board NASA's New Horizon's spacecraft, which will fly by Pluto this summer, scientists are able to get an unprecedented look at the space weather near the dwarf planet.
23 March 2015, 01:07 PM ET
Chad Blakley (lightsoverlapland.com) captured unusual arcing auroras forming a corona over Abisko National Park on Mar. 14th, 2015.
21 March 2015, 04:00 PM ET
From St. Patrick's day in space to a spectacular solar eclipse, don't miss these amazing space images of the week for March 21, 2015.
19 March 2015, 04:26 PM ET
A dark line more than half a million miles long curves across the lower half of the sun in a gorgeous photo snapped by a NASA spacecraft. The line — what scientists call a solar filament — is longer than 67 Earths lined up side-by-side.
18 March 2015, 12:31 PM ET
Particles within a comet's tail can quickly whip up to the speed of the solar wind, according to observations of a comet in 2013.
18 March 2015, 11:37 AM ET
Green auroras danced in skies around the world last night thanks to a massive solar storm that super-charged the cosmic light displays for St. Patrick's Day.
18 March 2015, 11:00 AM ET
Space.com readers sent in their photos of the amazing auroras in 2015, including views captured during an intense geomagnetic storm on March 17-18, 2015.
17 March 2015, 05:19 PM ET
Auroras around the world could be super-charged tonight thanks to a severe solar storm impacting Earth, but even if bad weather hinders your view of the northern lights, you can still catch them live in a webcast online.
17 March 2015, 12:45 PM ET
A massive solar storm is bombarding Earth today (March 17), sparking stronger than normal auroras for St. Patrick's Day. The solar storm poses no threat to satellites, but may affect GPS and radio signals.
15 March 2015, 11:29 AM ET
NASA launched a new space-weather mission and scientists found evidence of a hydrothermal system on Saturn's ocean-bearing moon Enceladus. Here's a look at Space.com's top stories of the week.
14 March 2015, 12:32 PM ET
From a monster solar flare to a spectacular night launch, don't miss these amazing space images of the week for March 15, 2015.
12 March 2015, 11:00 PM ET
NASA will launch a new group of satellites to study the phenomenon of magnetic reconnection.
12 March 2015, 07:57 AM ET
NASA's Magnetospheric Multiscale mission, which will send four satellites on a search for explosive magnetic reconnections in Earth's magnetic field, will launch tonight at 10:44 p.m. EDT (0244 GMT). Here's how to watch live.
11 March 2015, 03:18 PM ET
Sunspot AR2297 was crackling with M and C class flares before the magnetic energy finally gave way to the x-flare on Mar. 11th, 2015. "Its causing HF radio blackouts, primarily over the Americas," according to Spaceweather.com.
11 March 2015, 02:57 PM ET
The X-class flare, the most powerful type, peaked at 12:22 p.m. EDT (1622 GMT) today, causing radio blackouts over wide stretches of Earth.
11 March 2015, 07:00 AM ET
The Magnetospheric Multiscale mission, which will study a cosmic phenomenon that is both dazzling and dangerous for people on Earth, is scheduled to launch into orbit on Thursday (March 12).
10 March 2015, 05:23 PM ET
NASA is counting down to launch four small satellites into orbit on Thursday (March 12) on a mission to study an explosive cosmic phenomenon happening right on Earth's doorstep.
10 March 2015, 12:19 PM ET
A constellation of four satellites orbit through Earth's magnetic field to study the mysterious phenomenon called magnetic reconnection.
09 March 2015, 07:00 AM ET
Our young sun may have routinely blasted Earth with gobs of energy more powerful than any similar bombardments recorded in human history.
02 March 2015, 02:50 PM ET
In less than two weeks, NASA will launch a new group of satellites to study the sometimes beautiful, sometimes dangerous phenomenon of magnetic reconnection. This energetic event can wreak havoc on satellites and power grids, or create amazing auroras.
12 February 2015, 07:00 AM ET
NASA's Solar Dynamics Observatory (SDO) probe celebrated five years in Earth orbit Wednesday (Feb. 11), and the space agency marked the milestone with two new videos celebrating the spacecraft's images and scientific accomplishments.