Black holes, these extreme cosmic entities, might well hold the missing clues to solve one of physics' greatest mysteries: ...

Look to the skies on Thursday night and you can see something unusual: the ‘Moon illusion’, which happens when our satellite ...

A new study has been accepted by the Journal of Cosmology and Astroparticle Physics that proposes two new models of black ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

Mercury begins a rapid plunge toward the setting sun. By early July, Mercury is lost in the glare of the sunset. By late July, Mars begins to sink into the ...

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in ...

Both events represent classic novas, which are space explosions that are shorter-lived than supernovas, with such phenomena ...