Heart failure (HF) affects the lives of patients as well as their family members, who are a fundamental source of support for patients. During the last 2 decades, researchers have increasingly given attention to caregivers of patients with HF worldwide. In 2014, the National Institute of Nursing Research addressed the significance of the science of caregiving. Since then, each year about 100 articles related to caregiving in HF have been published by researchers worldwide. Here, Chung talks about the gaps in caregiving science in HF globally.