Twenty years after the deadliest wave in recorded history, most oceans have warning systems and communities have learned how best to escape the danger.

Studies suggest that semaglutide reduces heart attack and stroke and may curb addiction and more. Scientists reflect on the future of GLP-1 drugs beyond weight loss.

More than half of rural hospitals and more than one-third of urban hospitals did not offer labor and delivery services in 2022.

Female moths may pick up on the ultrasonic wailing of distressed plants and opt to lay their eggs on different, healthier plants.

Egypt was added to the list of malaria-free places in 2024, but climate change, conflict and other threats could increase cases especially in Africa.