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.
11 February 2015, 06:30 PM ET
A private rocket carrying a space weather satellite, built to help warn Earthlings before a potentially dangerous solar storm strikes the planet, blasted off to orbit today from Florida.
11 February 2015, 11:26 AM ET
NASA's Solar Dynamics Observatory acquired 200 million+ images in its past 1,826 days looking at the Sun. Goddard Space Flight Center pulled together these highlights for pure visual enjoyment in addition to cool science.
10 February 2015, 08:15 PM ET
Learn about the science behind the northern and southern lights.
09 February 2015, 07:40 PM ET
The International Space Station's crew captured imagery of the aurora borealis stretching into the light of the sunrise above the east coast on the United States and Canada.
07 February 2015, 02:22 PM ET
When SpaceX launches a long-delayed satellite on Sunday, the company hopes to do the amazing: return a rocket to Earth and land it on a floating platform in the Atlantic Ocean.
07 February 2015, 11:05 AM ET
The Deep Space Climate Observatory (DSCOVR) will monitor the solar winds and give NOAA forecasters better lead time for solar storms that can affect satellites, communication and power grids on Earth.
06 February 2015, 11:13 AM ET
The long-delayed Deep Space Climate Observatory (DSCOVR) will orbit at the L1 Lagrange Point in the sun-Earth system, to monitor the solar wind and forecast space weather at Earth.
02 February 2015, 10:10 PM ET
The sun's unceasing activity affects our planet beyond providing obvious light and heat.
31 January 2015, 07:00 AM ET
The gorgeous green glow of the northern lights served as a backdrop for bright white rocket tails in a set of amazing new photos. Five rockets launched from Poker Flat Research Range in Alaska this week carried experiments aimed at studying the science be
22 January 2015, 09:50 AM ET
The Atmospheric Imaging Assembly (AIA), one of three instruments flying on the Solar Dynamics Observatory (SDO), reached the mind-boggling milestone Monday (Jan. 19).
14 January 2015, 01:14 PM ET
The sun released its first significant solar flare of 2015 on Monday night, and started off the New Year with a BANG! See the video
13 January 2015, 01:51 PM ET
Like a multi-petal flower, an M5-class flare erupted from the sun on Jan. 12th, 2015 prodding the magnetic field phenomenon. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths.
05 January 2015, 11:48 AM ET
An highly active sun encouraged photographer Chad Blakley (lightsoverlapland.com) to capture the Northern Lights from two different vantage points in Abisko National Park on Dec. 28th, 2014.
22 December 2014, 03:33 PM ET
An X1.8-class flare erupted from an active sunspot on Dec. 19th, 2014. NASA's Solar Dynamics Observatory captured the fireworks.
22 December 2014, 09:50 AM ET
European Space Agency astronaut Alexander Gerst snapped some incredible imagery of the Earth during his tour aboard the ISS. 12,5000 images of auroras, lightning, landscapes and nightscapes were compiled to create this tour of Earth.
20 December 2014, 12:00 PM ET
See photos and images of the biggest solar flares of 2014 in this SPACE.com gallery of photos by NASA spacecraft and solar astronomers.
20 December 2014, 11:49 AM ET
The sun fired off a massive solar flare late Friday (Dec. 19), after days of intense storms from our nearest star. The huge solar flare registered as an X1.8-class event, the most powerful type of flare possible, and was captured on camera by NASA's powe
18 December 2014, 09:30 AM ET
On Dec. 15th, 2014, the northern lights were "massive " and "fast-moving" according to photographer Chad Blakley (lightsoverlapland.com). He captured imagery from 3 different locations in Abisko National Park.
14 December 2014, 07:19 AM ET
NASA released a video with incredible views of the massive coronal mass ejection that erupted from the sun in July 2012.
01 December 2014, 10:19 AM ET
Several Americans spent the holiday on top of Mt. Noulja in Abisko National Park on Nov. 27th, 2014. They were treated to an intense northern lights display which was captured by photographer/tour guide Chad Blakley (lightsoverlapland.com).
25 November 2014, 10:33 AM ET
The largest sunspot to appear on Earth's nearest star in more than two decades is once again pointed at the planet, and it will likely kick-start solar storms, NASA scientists say.
19 November 2014, 01:53 PM ET
Recently returned NASA astronaut Reid Wiseman talks to Space.com's @TariqJMalik about experiencing powerful atmospheric phenomena and his photography while aboard the International Space Station.
11 November 2014, 12:19 PM ET
A humongous sunspot — the biggest one seen since 1990 — has so far produced no aurora-causing events, despite sending off 10 huge solar flares in less than two weeks.