http://www.newsweek.com/how-will-universe-die-could-collapse-freeze-tear-1043826

What will it take for the universe to die? Two astrophysicists have proposed it’ll likely go out the same way it came in: with a bang.

Though any potential death is still 30 to 40 billion years away, the scientists said, they’ve already modeled possible obliteration scenarios in a study published Wednesday in the journal Physical Review D.