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.
Sunday's eclipse will be visible to observers throughout South Africa, as well as people in the southern parts of Mozambique, Zambia, Zimbabwe and Madagascar.
A photographer in Virginia captured this series of photos of the space station as it crossed in front of the sun.
The butterfly shape is created by the stellar ballet of the two sun-like stars at the end of their lives.
A delicate sunshield unfolded on a test unit of NASA's James Webb Space Telescope.
Even a mild shock wave in the solar wind can suddenly amp up the equatorial electrojet and create localized magnetic storms.
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