About a century ago, astronomer Edwin Hubble discovered that what was once thought to be a “spiral nebula” was actually an entirely separate galaxy, located approximately 2.5 million light-years away ...

Cavallo earned a new admirer when his recent 40-inch-by-40-inch oil portrait of Trump in Revolutionary War attire found its way to Mar-A-Lago. In August, Cavallo sold the painting, called ...

Chris Impey, University of Arizona (THE CONVERSATION) A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical ...

(THE CONVERSATION) A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper ...