The Pittsburgh skyline turned blue Monday night in honor of the 11 victims killed over the weekend in the Tree of Life Synagogue shooting in Squirrel Hill. Latest U.S.

The Pittsburgh skyline is lighting up blue Friday night to commemorate what is being billed as the “Ultimate NCAA Basketball Weekend” in Pittsburgh. Several Downtown buildings will light up ...

Vincent van Gogh’s painting “The Starry Night” has long been admired for its art, but physicists are also intrigued by the science beneath the strokes and swirls.