Many scientists hold the belief that the paradoxes associated with time travel, which have perplexed thinkers for centuries, ...

The paradox of the end has been often acknowledged (even if usually not by this name). For example, Oscar Wilde claimed "In this world there are only two tragedies.

In a peer-reviewed journal article, University of Queensland physicists say time is essentially self-healing. Changes in the past wouldn't necessarily cause a universe-ending paradox. Phew.