A massive and rare merging of two galaxies has been spotted in images taken by the Herschel space observatory.
The flare produced a beautiful coronal mass ejection, or CME, which was not Earth-directed but could deliver a glancing blow in the next few days.
The next full moon on May 24-25 is a supermoon, but the perigee full moon on June 23 will be the most “super” supermoon of five in 2013.
Between now and the end of May, watch for Venus, Jupiter and Mercury gathered in the bright twilight. They’ll soon form a bright triangle.
We passed between the sun and Saturn on April 28. May 2013 is a good time to see Saturn. Tips and charts that’ll let you locate the ringed planet.
That might seem like a lot, but new results suggest Mars gets pummeled by space rocks less frequently than previously thought.
Scott Hubbard, a consulting professor of aeronautics and astronautics, explains how NASA might bring the planet-hunting spacecraft back online.
It went into safe mode on Tuesday, May 14 after the #4 reaction wheel, needed to orient the spacecraft, would not spin.
Beautiful video of ring of fire eclipse by astrophotographer Colin Legg, who used three cameras along the ecliptic path in western Australia.