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

Light Echo From Behind a Black Hole Confirms Einstein's Theory of

Frontiers Time and Quantum Clocks: A Review of Recent Developments

Observational and Theoretical Astronomy

Is time on a loop? Is everything constantly repeating itself but on such a vast level we can't possibly comprehend it? - Quora

Rewinding Reality: Cambridge Uses Time-Travel Simulations To Solve

Symmetry, Free Full-Text

This Physics Pioneer Walked Away from It All - Nautilus

Faster than the speed of light

SoJo (@Just_Jos3ph) / X