We could find small planets close to Earth using a new technique being tested on our own sun.
Although technically you can't "weigh" a star, since it will change relative to gravitation, astronomers CAN work out just how much matter is inside the bright bulbs in our sky and beyond.
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.'
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