|  | NASA/JPL-Caltech |
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| | NASA suspends InSight mission to MarsUnable to fix a leak with the mission's main science instrument in time to make the 2016 launch window, NASA must wait two years to try again. |
| |  NASA/CXC/University of Bonn/G. Schellenberger et al; Optical: INT | Chandra finds remarkable galactic ribbon unfurledAn extraordinary ribbon of hot gas trailing behind galaxy cluster Zwicky 8338 has been discovered using data from NASA’s Chandra X-ray Observatory. |
|  NASA | What stops solar eruptions?Physicists determine the difference between false starts and true eruptions by studying the Sun’s magnetic field. |
|  NASA/JPL-Caltech/Space Science Institute | Giant comets could pose danger to life on EarthThe discovery of hundreds of giant comets in the outer solar system over the last two decades means that these objects pose a much greater hazard to life than asteroids. |
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| | | Issue Preview VideoThis month’s issue of Astronomy magazine explains the search for another Earth, unpacks the mysteries of inner planet Mercury, shows you where to observe the skies from the middle of your city, introduces a new observatory outside Las Vegas, and much more. |
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| | THE REAL REALITY SHOWCould Life Exist on Europa or Titan?Two moons in our solar system offer tantalizing prospects of perhaps containing microbial life. |
| |  SEASONAL OBSERVINGWinter observing targets for small telescopes |  SUPERSTARS OF ASTRONOMYSeth Shostak: Life in the universe |
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|  Alan Dyer | January sky highlightsSeveral bright planets adorn January’s morning sky, as does the impressive Quadrantid meteor shower on the 4th.
Astronomy magazine subscribers have access to the complete version of January’s The Sky this Month at Astronomy.com. To learn about other daily sky events, visit The Sky this Week. |
|  | Observing PodcastDec. 31 – Jan. 7NGC 1857 The Crystal Ball Nebula Barnard 29
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| | DAVE’S UNIVERSEPhotos and Brian May’s speech from Hawking medal announcementAt this summer’s Starmus Festival, a new Hawking medal in science communication will be awarded. |
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|  | PICTURE OF THE DAYThe North America Nebula in CygnusKyriacos Vattis captured this image from Nicosia, Cyprus. |
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|  | NEBULAE GALLERYThe Cocoon Nebula (IC 5146)User JohnV spotted the Cocoon Nebula from Tucson, Arizona. |
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|  | NEBULAE GALLERYThe Wizard Nebula (NGC 7380)User JohnV also captured the magic of the Wizard Nebula. |
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| | Send us your astronomy questionsPerplexed by planets? Confused by cosmology? Baffled by black holes? Then send in your questions. If you have an astronomy question about observing, equipment, the planets, stars, cosmology, or astronomy history, send it in! Astronomy magazine editors select five questions each month for publication in the Ask Astro section of the magazine. If your question is selected, we will forward it to an expert for a response. Then, the question and answer will appear together in a future issue. We may edit or revise your question for clarity. |
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