An upside down red triangle, a green headband and a hand gesture denoting the letter 'T' might seem innocuous at first glance. But the meaning behind these signs could be far more sinister.

Why this art installation of a giant red upside-down triangle has sparked fury: 'Pushing the bounds of good taste' Melbourne art gallery showing exhibition Large inverted red triangle linked to ...

Facebook has removed a campaign ad by U.S. President Donald Trump and Vice-President Mike Pence that featured an upside down red triangle, a symbol once used by Nazis to designate political ...

The signs outside the ARCH and the Annenberg Public Policy Center were vandalized on Oct. 19. Credit: Abhiram Juvvadi Penn is investigating the vandalism of at least three signs on campus, which were ...