Yes, that's right, there's a hole in the sun, but it's not a sign of anything scary, it's actually a wonderful insight to some pretty 'cool' solar dynamics.
Scientists have discovered an unexpectedly regular cycle of ice formation and depletion on the surface of a comet, a pattern tied to an orbital dance of shadow and sunlight.
With the huge supermoon lunar eclipse just one week away, it's time to dust off your small telescopes and binoculars, track down an observatory event or webcast, or draft your invitations for a moon-cake party.
An astrophotographer spotted a beautifully-formed solar prominence that looks like a giant version of the famous Parisian landmark.
Armed with a NASA online app and a little imagination, you can see for yourself how bright noon on Pluto actually is.
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.'
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.
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.
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