This is a scientific topic called "the ultimate fate of the universe". It is a topic in cosmology. There are possible scenarios for its evolution. The basic issue is whether its existence is finite or infinite.
ð ɪ s WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY s aɪ ə n t ɪ f ɪ k WORD_BOUNDARY t ɑ p ɪ k WORD_BOUNDARY k ɔ l d WORD_BOUNDARY ð ɪ WORD_BOUNDARY ʌ l t ɪ m ə t WORD_BOUNDARY f eɪ t WORD_BOUNDARY ʌ v ð ə WORD_BOUNDARY j uː n ɪ v ɜː s WORD_BOUNDARY ɪ t WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY t ɑ p ɪ k WORD_BOUNDARY ɪ n WORD_BOUNDARY k ɑ z m ɑ l ə d̠ʒ i WORD_BOUNDARY ð ɛ ɹ ɑ ɹ WORD_BOUNDARY p ɑ s ɪ b ə l WORD_BOUNDARY s ə n æ ɹ i oʊ z WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY ɪ t s WORD_BOUNDARY ɛ v ə l uː ʃ ə n WORD_BOUNDARY ð ə WORD_BOUNDARY b eɪ s ɪ k WORD_BOUNDARY ɪ ʃ uː WORD_BOUNDARY ɪ z WORD_BOUNDARY w ɛ ð ə ɹ ɹ WORD_BOUNDARY ɪ t s WORD_BOUNDARY ɛ ɡ z ɪ s t ə n s WORD_BOUNDARY ɪ z WORD_BOUNDARY f aɪ n aɪ t WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ɪ n f ɪ n ə t WORD_BOUNDARY