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“Sun”

May 22, 2015 08:43 AM ET // AFP
A rainbow-like halo surrounded the sun over Mexico City on Thursday, an optical phenomenon that triggered a social media frenzy.
May 22, 2015 05:23 PM ET // Lori Cuthbert
The low rates of sunscreen use likely mean the high rates of the most common cancer -- melanoma -- won't be dropping soon. Continue reading →
May 13, 2015 09:06 PM ET // Ian O'Neill
Astronomers studying stars like our sun that are known to generate powerful 'superflares' have also discovered that these superflares are likely associated with monster 'starspots.'
Apr 21, 2015 03:31 PM ET // Ian O'Neill
This beautiful portrait of our nearest star was captured by NASA's Solar Dynamics Observatory (SDO), picking out the powerful and elegant loops of magnetized plasma reaching high into the sun's corona.
Apr 9, 2015 04:12 PM ET // Ian O'Neill
Astronomers have taken a census of distant spiral galaxies to help us understand what our Milky Way may have looked like in the distant past, also providing us with an invaluable look at the evolution of our own solar system.
Apr 9, 2015 12:40 PM ET // Ian O'Neill
Transport yourself to Mars and stare in wonder at these stunning views of Red Planet sunsets through our robotic explorers' eyes.
Apr 3, 2015 11:40 AM ET // Joe Rao, SPACE.com Skywatching Columnist
Turnabout is fair play: The full moon will be totally eclipsed early Saturday morning (April 4), just 15 days after it caused a total eclipse of the sun.
Mar 20, 2015 09:50 AM ET // Discovery News
The first day of Spring began with some dazzle in Europe and the Arctic with a solar eclipse.
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