He identified the cause of a respiratory condition that was killing 10,000 infants a year in the United States. Then he helped design a drug that slashed those mortality rates.

Three scientists were recognized by the Lasker Awards for their work on the GLP-1 hormone. Others were honored for work to stop H.I.V. and for immune system discoveries.

Robert F. Kennedy Jr., who has long voiced doubts about vaccine safety, has hopes of influencing federal health policy. Could he finally get the chance?

The Climate reporter Hiroko Tabuchi is interested in all the things we take for granted about our environment.

Scientists continue to rethink the idea that moderate drinking offers health benefits.

As hormones surge, some brain areas shrink in what scientists say may be a fine-tuning that helps mothers bond with and care for their babies.