This story appears in the June 2009 issue of National Geographic magazine. The dolphins are swimming through the trees. Bending sinuous bodies, they glide through branches and curl like snakes ...

This story appears in the May 2015 issue of National Geographic magazine. Head trainer Teri Turner Bolton looks out at two young adult male dolphins, Hector and Han, whose beaks, or rostra ...

A former NFL cheerleader who’s spent the past 25 years as an explorer for National Geographic will open the Des Moines Civic ...