26 November 2013, 10:15 PM ET
A NASA spacecraft has captured its best video yet of the icy Comet ISON streaking toward a Thanksgiving Day encounter with a sun, a cosmic encounter the comet might just not survive.
26 November 2013, 09:45 PM ET
Experts with NASA say another comet's tail-clipping encounter with the sun in 2007 presents a forbidding example of what could happen to Comet ISON.
26 November 2013, 04:37 PM ET
The crescent moon and Mars are visible close together just above the eastern horizon on these late November mornings. The Red Planet is dim now but will brighten considerably by next spring, when it will be much closer to Earth.
26 November 2013, 10:21 AM ET
NASA Scientist Dr. Michelle Thaller talks to SPACE.com's @TariqjMalik about the possible 'comet of the century' two days prior to its Nov. 28th, 2013 date with the Sun.
25 November 2013, 07:16 PM ET
If you look to the sky early Tuesday (Nov. 26) morning, you might get a view of what can only be described as a "double planet" visible through the brightening dawn twilight.
25 November 2013, 07:01 PM ET
The manager of NASA's Near-Earth Object Program office Don Yeomans, explains what will be left, if anything, of the possible 'comet of the century' after its date with the Sun (Nov 27th, 2013).
25 November 2013, 04:46 PM ET
Shaula, the 24th-brightest star, is a possible multiple-star system in the constellation Scorpius.
25 November 2013, 03:06 PM ET
NASA's Messenger spacecraft snapped new images of Comet ISON on Nov. 19 as the object sped by Mercury. Meanwhile, a phalanx of sun-studying probes will watch ISON's close encounter with the sun on Thursday (Nov. 28).
25 November 2013, 02:16 PM ET
National parks and several public observatories have opportunities for the public to catch a view of Comet ISON as astronomers watch it plunge towards the sun.
25 November 2013, 12:04 PM ET
The early morning of Tuesday, Nov. 26, will be the last chance to spot Comet ISON streaking just above the horizon before it makes its Thanksgiving Day slingshot around the sun, according to NASA.
25 November 2013, 10:16 AM ET
Read our telescopes for beginners review to find the best telescope for you.
24 November 2013, 10:52 AM ET
What was your favorite space news story of the last week?
24 November 2013, 09:30 AM ET
Comet ISON is slated to skim just 730,000 miles above the solar surface on Nov. 28. ISON has brightened considerably as it’s zoomed closer to the sun recently, giving researchers interested in comet composition a lot to look forward to.
23 November 2013, 03:40 PM ET
From an amazing MAVEN spacecraft launch toward the Red Planet to stunning images by astronauts aboard the International Space Station, don't miss these amazing space photos of the week for Nov. 23, 2013.
23 November 2013, 02:24 PM ET
From the dazzling nighttime rocket launch to a spectacular set of photos showing the evolution of Comet ISON over the last few months, don't miss these stunning night sky photos by stargazers and SPACE.com readers.
23 November 2013, 09:47 AM ET
The potentially dazzling Comet ISON is currently visible to the unaided eye, but its future all depends in how it reacts to a close Thanksgiving encounter with the sun, co
23 November 2013, 08:35 AM ET
The incoming Comet ISON is now in the home stretch of its long-awaited hairpin loop around the sun on Thanksgiving Day (Nov. 28), making it a great target for amateur astronomers and stargazers. Here are some tips to see the comet.
22 November 2013, 06:36 PM ET
Gacrux is a variable star that blows strong winds through its system.
22 November 2013, 05:20 PM ET
Photographs capture the full colors in aurora displays, unlike the human eye.
22 November 2013, 02:22 PM ET
The incoming Comet ISON is undergoing dramatic brightening as it heads toward its Thanksgiving Day rendezvous with the sun, but if you are hoping to snap photos of the icy wanderer, you'll need to be prepared.
22 November 2013, 10:19 AM ET
Comet ISON has been billed as a potential 'comet of the century' but there's a trick to photographing the comet. See how to photograph Comet ISON from veteran space photographers Imelda Joson and Edwin Aguirre.
21 November 2013, 05:30 PM ET
Singapore-based sky photographer Justin Ng pieced together a stunning time-lapse video of two comets streaking across the pre-dawn sky. The footage, captured on Nov. 11, shows Comet ISON with its growing wispy tail and the newfound Comet Lovejoy.
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.
21 November 2013, 03:24 PM ET
Next to a waning gibbous moon tonight (Nov. 21), the largest planet in the solar system, Jupiter, will be visible, along with four of its moons if you have a telescope.
21 November 2013, 10:26 AM ET
NASA has captured an amazing new photo of the brightening Comet ISON, an image that reveals the comet's tail ahead of its rendezvous with the sun next week.
21 November 2013, 12:24 AM ET
Beta Crucis is a possible multiple star system in the Southern Cross.
20 November 2013, 03:44 PM ET
Many skywatchers tracking Comet ISON don't want to get their hopes up about the recent brightening of the possible "comet of the century."
20 November 2013, 02:10 PM ET
The brilliant band of the Milky Way dazzles over Mount Rainier National Park in an amazing new image.
20 November 2013, 11:44 AM ET
A distant galaxy appears as a sliver in the night sky in this photo by an astrophotographer.
20 November 2013, 07:42 AM ET
A dazzling rocket launch that hurled a record 29 satellites into orbit from Virginia's eastern shore Tuesday night was also visible to potentially millions of observers on the U.S. East Coast, thrilling skywatchers.
20 November 2013, 05:55 AM ET
See spectacular photos of the Nov. 19, 2013 night launch of a Minotaur 1 rocket from NASA's Wallops Flight Facility on Wallops Island, Va., as seen by skywatchers along the U.S. East Coast.
19 November 2013, 08:20 PM ET
A rocket blasted 29 satellites into orbit Tuesday in a record-setting night launch that lit up the sky across the East Coast. The ORS-3 mission lifted off atop a Minotaur 1 rocket at 8:15 p.m. EST from NASA's Wallops Flight Facility in Virginia.