Some predictions say that the universe and everything we know will cease to exist in 22 billion years, but other scientists argue that it has entered its old age and has just 2.8 billion years remaining, meaning that it is in the final eighth of its lifetime.
However, one thing that most scientists do agree on is that the universe will eventually die.
But another topic of debate coupled with the when is the how, with several theories thrown about regarding the universe’s inevitable end.