Alluring Atlantic Ocean isles offer extraordinary marine life. Watch National Geographic’s ‘Dolphins Up Close With Bertie Gregory’ show. Plus, discover vacation ideas.

A bottlenosed dolphin who was chronically ill died at the Miami Seaquarium earlier this week, officials confirmed. According to NBC affiliate WTVJ, the dolphin, named Bimini, ...

Just minutes from Charleston, Folly Beach offers one of the South’s best chances to see wild dolphins up close.

In August and September, pods of what people estimated were hundreds of dolphins were spotted in the Long Island Sound off Connecticut cities and towns.

In August and September, pods of what people estimated were hundreds of dolphins were spotted in the Long Island Sound off ...

A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, ...