Time loops may not be forbidden by physics after all

Physicists find that causal loops, where two events separated in time influence each other in paradoxical ways, are allowed in many theoretical universes, some of which share features with our own

Phenomenon of time loops

You Can't Travel Back in Time, Scientists Say

9 Rules for Writing Time Travel – Kimberly Van Ginkel

Universe, Free Full-Text

Astrophysics Signal Does What The LHC Cannot: Constrain Quantum

Why rethinking time in quantum mechanics could help us unite

There is no such thing as past or future': physicist Carlo Rovelli

Quantum Fluctuations and Their Energy – Of Particular Significance

Ask Ethan: When Did The Universe Get Its First Quantum Fields?

Why are time loops impossible? : r/AskPhysics

Science Behind The Universe.

Early Universe

Rewinding Reality: Cambridge Uses Time-Travel Simulations To Solve

Physics Department @ Brock University