Los Angeles diver Nicole Isaacs was pregnant when a dolphin in clear distress surfaced beside her boat. She jumped in. The pod's reaction when it was over was something else.

The extreme physical changes that come during pregnancy may be most evident in humans, but they plague other animals as well. New research shows that pregnant dolphins are so hefty the increased drag ...

While swimming in the ocean, Sophia Gray and her husband were amazed when a curious dolphin repeatedly swam up to her and ...

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An ocean mammal is on its way to Chicago ... and we're not talking about the "Whales: Giants of the Deep" exhibit that lands at the Field Museum this weekend. Tapeko, a 29-year-old dolphin at the ...

This Chicago-area zoo is expecting its first dolphin birth in more than a decade. Bottlenose dolphin Allie, 37, is pregnant, Brookfield Zoo Chicago announced. The calf is due in June, but 24-hour ...

This summer the Brookfield Zoo’s bottlenose dolphin habitat will reverberate with the chatty whistles and playful leaps of a new calf — the first expected to be born there in over a decade. On ...