Theoretical solutions to cosmic tensions

The Hubble and weak-lensing S8 tensions may hint at physics beyond our current understanding of the Universe based on LCDM. I have worked extensively on interpreting the Hubble tension as arising from new physics and what this tension may indicate about the dark sector. I proposed one of the most successful models to resolve the tension - early dark energy (EDE), that inspired several similar models in the literature. I have also phenomenologically explored the S8 tension and in this talk, I will present my learnings - how to theoretically resolve the two tensions, challenges that lie ahead in finding the true underlying model of our Universe and how we may pursue cosmological concordance.