21 August 2013, 03:42 PM ET
See photos from NASA's ' Wave at Saturn' campaign to urge people around the world to wave at the ringed planet on July 19, 2013. On that day, NASA's Cassini spacecraft took a cosmic portrait of Earth as it appeared from Saturn.
21 August 2013, 03:00 PM ET
See amazing photos of the night and daytime sky by stargazers on and off the planet in August 2013. Views of planets, stars and even the sun reveal amazing sites.
21 August 2013, 12:30 PM ET
Last night's Blue Moon captivated stargazers around the world. Although yesterday's full moon didn't look visibly different from other full moons during the year, stargazers used the specially named moon as an excuse to check out the sky for a night.
21 August 2013, 06:04 AM ET
A dazzling star explosion discovered in the night sky last week is the brightest nova seen from Earth in at least five years and it's visible now to the naked eye.The Nova Delphinus 2013 star explosion can be seen in dark skies.
21 August 2013, 06:00 AM ET
Veteran night sky photographer Tamas Ladanyi of The World at Night captures this stunning photo of a meteor cruising across the Milky Way as seen from the Canary Islands.
20 August 2013, 02:18 PM ET
The sun unleashed a powerful storm early Tuesday morning (Aug. 20), sending a huge cloud of superheated particles rocketing toward Earth. The eruption, known as a coronal mass ejection (CME), occurred at 4:24 a.m. EDT Tuesday.
20 August 2013, 11:50 AM ET
A small comet dove headlong into the sun Monday, presaging the highly anticipated close solar approach of Comet ISON a few months from now. The apparently nameless comet was captured barreling toward our star by the SOHO spacecraft.
20 August 2013, 10:58 AM ET
When the full moon rises tonight (Aug. 20), it will technically be a Blue Moon, but not for the reason you might think. The Blue Moon tonight is not the second full moon of August, but actually gets its name from a relatively obscure rule of astronomy.
20 August 2013, 10:00 AM ET
Herbig-Haro 46/47 is releasing two jets of materials at high speeds, causing gases around the young star to glow. Astronomers using the Atacama Large Millimeter Array captured this glow, revealing a more energetic star than previously thought.
20 August 2013, 07:00 AM ET
If you can't make it to Sweden to see the Northern Lights, the next best thing is a new video of the aurora lights compiled from thousands of hours of observations by videographer Chad Blakley.
19 August 2013, 03:28 PM ET
This month's full moon, which rises on Tuesday (Aug. 20), is not just a Blue Moon — it's also the Full Sturgeon Moon, the Full Red Moon, the Green Corn Moon and the Grain Moon.
19 August 2013, 02:27 PM ET
These images from the Solar and Heliospheric Observatory (SOHO) show what looks to be a comet colliding with the sun.
19 August 2013, 11:56 AM ET
Stargazers are thrilled over the surprise appearance of a star explosion, known as a nova, in the night sky last week, but there is more to this cosmic event than meets the eye.
19 August 2013, 11:35 AM ET
The new star explosion in the night sky, called Nova Delphinus 2013, is captivating stargazers around the world and is now visible to the naked eye, conditions permitting. Today, you can catch live views of the nova in an online webcast.
18 August 2013, 09:00 AM ET
What was your favorite space news story of the last week?
17 August 2013, 07:00 AM ET
From the beginning of an aurora to starry sky over a national park, don't miss these jawdropping night sky photos by stargazers and SPACE.com readers.
17 August 2013, 12:39 AM ET
From a new star explosion to the possibilities of the hyperloop, don't miss these amazing space photos of the week for Aug. 18, 2013.
16 August 2013, 05:00 PM ET
Veteran astrophotographer Terry Hancock was pleasantly surprised to learn the uninvited guest in his recent photo was not an aircraft, but rather Comet Lemmon soaring across a nebula-filled night sky. See how he made the amazing photo.
16 August 2013, 05:00 PM ET
Skywatcher Juan Manuel Pérez Rayego captures a beautiful image of a lone bird flying by a sundog. See how he did it here.
16 August 2013, 01:46 PM ET
To see the summer stars, it helps if you can find a spot free from light pollution on a night when the moon isn't in the sky. The first thing you will notice is that some stars are brighter than others. Here's how to see the Summer Triangle.
16 August 2013, 01:40 PM ET
Comet ISON is not brightening as much as expected as it zooms toward the sun, an amateur astronomer has reported, dealing a blow to skywatchers hoping for a spectacular show from the icy wanderer during its close solar approach this November.
16 August 2013, 01:25 PM ET
When the moon rises Tuesday night (Aug. 20), it brings us the August full moon and in addition, it will also technically be a "Blue Moon," but only if we follow a now somewhat obscure rule of astronomy. Here's why.
16 August 2013, 01:17 PM ET
Photographer Chad Blakley and video editor Tom Malkowicz have outdone themselves in a compilation of Northern Lights from 2012 and 2013. Some of the sequences were reproduced to deliver a near 'just like you were there' real-time feel.
16 August 2013, 11:06 AM ET
The open star cluster NGC 6633 sparkles in the night sky in this beautiful image shot by astrophotographer Bob Franke from Focal Pointe Observatory in Chino Valley, Ariz. See how he made the image here.
16 August 2013, 07:00 AM ET
The meteor that exploded over Chelyabinsk, Russia in February left behind a dust cloud that stayed in Earth's atmosphere for at least three months, a new study using observations from NASA's Suomi NPP satellite has shown.
15 August 2013, 05:57 PM ET
Curiosity snapped the 41 images that comprise the 30-second video on Aug. 1, becoming the first robot ever to capture a view of the two satellites — called Phobos and Deimos — eclipsing each other from the Martian surface.
15 August 2013, 02:12 PM ET
Astronomers have discovered a new star explosion, called a nova, in the night sky, and it is fairly easy to spot in binoculars — and potentially even the naked eye — by stargazers with clear weather and dark skies. You can even see the new nova online ton
15 August 2013, 01:30 PM ET
See photos and images of Nova Delphinus 2013, a new star explosion discovered by Japanese amateur astronomer Koichi Itagaki on Aug. 14, 2013.
15 August 2013, 08:48 AM ET
Night sky photographer captures beautiful image of the Milky Way over Crater Lake.
15 August 2013, 12:01 AM ET
A spiral galaxy has a distinct winding shape. Most of the galaxies observed by astronomers are spiral galaxies.
14 August 2013, 10:05 AM ET
The annual meteor shower, characterized by NASA as the best of the year, were recorded by camera in Alabama, New Mexico and more on Aug, 10-12, 2013. The meteors are fragments of the comet Swift-Tuttle and have been observed for at least 2,000 years.
13 August 2013, 02:19 PM ET
The annual Perseid meteor shower of 2013 peaks in mid-August. See photos Perseid meteor shower fireballs by stargazers as the 'shooting stars' display nears its peak.