Seal pups may be nursing on what amounts to a biochemical powerhouse—and it could someday end up in baby formula. In a new study, researchers found that milk from gray seals contains roughly a third ...

If you’ve found yourself scrolling through the breastfeeding world online, you know that people have a lot of strong opinions about breast milk. But what exactly do we know about the biology of it?

Researchers uncover how breast milk acts like a biological clock, delivering timed hormonal and microbial signals that may influence a baby’s circadian rhythm, immunity, and long-term development.