Neonatologists specialize in the care of newborns, particularly those born prematurely or with critical health conditions requiring intensive medical attention. Their expertise encompasses respiratory distress syndrome, neonatal infections, congenital disorders, and low birth weight management. Working in neonatal intensive care units (NICUs), neonatologists collaborate with pediatricians, obstetricians, and specialized nurses to provide life-saving interventions, including ventilatory support, advanced nutrition strategies, and neurodevelopmental monitoring. With rapid advancements in neonatology, technologies such as extracorporeal membrane oxygenation (ECMO), non-invasive ventilation, and artificial placenta research are revolutionizing survival rates and long-term health outcomes for fragile newborns. Beyond clinical practice, neonatologists contribute to research on fetal medicine, perinatal care, and neonatal neuroprotection to improve early-life interventions. They also play a key role in parental education, guiding families through complex medical decisions and fostering supportive environments for infants' growth and development. As neonatal healthcare continues to evolve, ethical considerations surrounding life-sustaining treatments and long-term quality of life remain central to discussions in the field. Addressing disparities in neonatal care access is a global challenge, emphasizing the need for innovations in telemedicine, resource-efficient incubators, and policy-driven initiatives to enhance survival and health outcomes for the most vulnerable newborns.