When Jacques Cousteau was young, an accident sent him on a path that led him to invent scuba, opening up the underwater world ... From far, it can look blue, so if you focus on—you point on ...

National Geographic produced this content as part of our partnership with Rolex, formed to promote exploration and conservation. The organizations will join forces in efforts that support veteran ...

We’ve known for nearly a century that UV radiation is linked to skin cancer, but modern advice about sunburn can be confusing ...

How Did the Blue Waffle Myth Start? This hoax started many years ago, when someone posted an online image of a bright blue vulva (the outside of a vagina). According to the anonymous poster ...