Dark energy, a mysterious force thought to be a fundamental aspect of our universe, plays a pivotal role in driving the cosmos' accelerating expansion.Recent investigations conducted by the Dark Energy Spectroscopic Instrument (DESI) collaboration have sparked significant questions regarding the nature of dark energy, traditionally perceived as a ‘cosmological constant.’ An intriguing finding suggests that this enigmatic energy may be weakening over time, compelling scientists to reconsider established theories about the universe's fate.