Double or nothing: Astronomers rethink quasar environment

Astronomers have identified nearly 200 ‘protoclusters,’ the progenitors of galaxy clusters, in the early Universe, about 12 billion years ago, about ten times more than previously known. They also found that quasars don’t tend to reside in protoclusters; but if there is one quasar in a protocluster, there is likely a second nearby. This result(…)

Selena Gomez Breaks Down in Concert, on Instagram: I Need to Rethink My Life!

Selena Gomez was on the verge of tears in concert, then broke down on Instagram this weekend, leaving fans worried for the singer. Labeling herself as inauthentic and disconnected (she said “unauthentic” and “unconnected,” but same thing), she’s clearly a hard time. That much is obvious … what we don’t know is what prompted it.(…)