30 September 2013, 02:46 PM ET
The future of a possible "comet of the century" is still uncertain. With just two months to go before Comet ISON skims less than three-quarters of a million miles above the sun's surface, the comet could brighten or fade away.
30 September 2013, 02:00 PM ET
See what's up in the night sky for October 2013, including stargazing events and the moon's phases, in this SPACE.com gallery courtesy of Starry Night Software.
30 September 2013, 01:32 PM ET
See winning entries of the Royal Observatory Greenwich's Astronomy Photographer of the Year 2013 features the transit of Venus, comets, nebulas, auroras and more sent from astrophotographers around the world.
30 September 2013, 01:20 PM ET
An ambitious one-day mission to observe the potentially dazzling Comet ISON with a telescope dangling from a colossal NASA balloon this weekend has failed due to a mechanical glitch, NASA officials say. The mission, called the Balloon Rapid Response for I
30 September 2013, 01:01 PM ET
Astrophotgrapher Terry Hancock sent SPACE.com his new view of the iconic "Pillars of Creation" structure, which is located in the Eagle Nebula. It is the same region immortalized by dazzling images from the Hubble Space Telescope.
30 September 2013, 10:19 AM ET
On September 29th, 2013, the Earth's Sun roused itself from the unusual slumber of recent weeks with a massive filament eruption that was partially Earth-directed. NASA's SDO and SOHO spacecraft captured image data of the fireworks.
30 September 2013, 10:03 AM ET
Comet ISON could shine brightly in the night sky around the time of its close solar approach on Nov. 28. Here's the lowdown on ISON and its journey through the inner solar system, which scientists are already tracking with a variety of instruments.
30 September 2013, 09:23 AM ET
“Winner” of the “Our Solar System” category in the Royal Observatory Greenwich’s Astronomy Photographer of the Year 2013 exhibition, this space wallpaper gives the viewer a window onto the elusive outer atmosphere of the Sun — the corona.
29 September 2013, 09:25 AM ET
What was your favorite space news story of the last week?
28 September 2013, 09:32 PM ET
A meteoroid traveling at ~114,000 mph, slammed into Earth's atmosphere almost directly over Columbus, Ohio. It was visible from 14 U.S. States. NASA's all-sky camera in Hiram, Ohio captured the fireworks at 11:33pm EDT on Sept. 27th, 2013. (looped)
28 September 2013, 12:22 PM ET
From a stunning view of the Milky way to the harvest moon, don't miss these stunning night sky photos by stargazers and SPACE.com readers.
28 September 2013, 11:06 AM ET
From a supersonic shockwave to the glowing harvest moon, don't miss these amazing space photos of the week for Sept. 28, 2013.
28 September 2013, 08:17 AM ET
Here is a trivia question: Not including Earth, how many planets are visible without using any optical aid, be it binoculars or a telescope? Most people will usually answer five: Mercury, Venus, Mars, Jupiter and Saturn. But there's a sixth, Uranus.
27 September 2013, 05:09 PM ET
Adhara is a bright binary star in Canis Major that shows up best in ultraviolet light.
27 September 2013, 03:45 PM ET
If your pre-dawn sky is clear early Saturday (Sept. 28), you'll be treated to a lovely celestial scene as a fat, waning crescent moon will appear to pass close by the largest planet in our solar system: Jupiter.
27 September 2013, 02:09 PM ET
Astrophotographer Mike Taylor sent SPACE.com this stunning image showing the bright band of the Milky Way galaxy over Maine's rugged Bold Coast. The photo captures the Milky Way's brilliance colleague Garrett Evans sets up his gear.
27 September 2013, 06:01 AM ET
The possible "comet of the century," Comet ISON could either become a shining visual treat or a fizzled out chunk of rock and ice when it makes its close pass of the sun, but which will it be?
27 September 2013, 01:39 AM ET
Hadar is a binary-star system in the Southern Hemisphere. Its stars may go supernova in the future.
26 September 2013, 05:03 PM ET
As the constellations of summer depart from our sky, they are replaced by what are often called "the watery constellations." These include normal sea creatures like fishes and dolphins, and even Aquarius carrying a water jug. But here also be monsters.
26 September 2013, 03:30 PM ET
Among the more than 900 planets found beyond our solar system, there are volcanic super-Earths, gas giants that dwarf Jupiter and worlds with multiple sunsets. Here are some of the most incredible.
26 September 2013, 02:57 PM ET
A colossal NASA balloon is poised to carry a free-hanging gondola sky-high on a mission to take a gander at celestial grandeur: Comet ISON.
26 September 2013, 10:23 AM ET
“Highly Commended” by the Royal Observatory Greenwich’s Astronomy Photographer of the Year 2013 exhibition, this amazing space wallpaper is a composite shot showing the progress of an annular eclipse in May 2013.
26 September 2013, 01:04 AM ET
Fomalhaut has a planet that rose from the dead, as well as a vast number of comets that crash into each other daily.
25 September 2013, 10:00 AM ET
Astrophotographer Bob Franke captured this stunning image of planetary nebula Abell 39 6,800 light-years away from Earth. See how Franke made the image, and how planetary nebulas were named, despite not having any planets.
25 September 2013, 12:00 AM ET
The Milky Way glides above the New Technology Telescope in Chile.
24 September 2013, 05:03 PM ET
Procyon is a binary system, with a main-sequence larger star and a smaller white dwarf star orbiting each other.
24 September 2013, 01:26 PM ET
A fleet of spacecraft is gearing up to track the potentially dazzling Comet ISON as it flies by Mars next week. The comet will fly by Mars at a range of 6.5 million miles between Sept. 29 and Oct. 2.
23 September 2013, 08:24 PM ET
Deneb, one of the three stars of the Summer Triangle, anchors the tail of Cygnus the Swan.
23 September 2013, 05:40 PM ET
With a new season comes a new sky. The passing of the autumn equinox means that the days are beginning to shorten and weather is becoming colder for people in the Northern Hemisphere, but that isn't all that's changing.
22 September 2013, 09:41 AM ET
The autumn equinox today (Sept. 22) marks the first day of fall in the Northern Hemisphere. The exact time of the equinox is 4:44 p.m. EDT (2044 GMT) when the length of the day and night are roughly equal.
21 September 2013, 09:25 PM ET
What was your favorite space news story of the last week?
21 September 2013, 10:21 AM ET
From Venus and the moon crashing a wedding photo to the milky way over an ancient temple, don't miss these stunning night sky and space from the last week.