The first 70-degree day in New York City since October brought out dolphins in the East River next to Randall’s Island Park.

What was the porpoise? A dozen fun-loving and acrobatic dolphins turned the East River into their playground — leaving bewildered experts scratching their heads on what propelled the rare visit. The ...

19 dead dolphins have washed ashore since March 1, most of them between Port St Joe and Mexico Beach. What's happening?

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, ...

A new study reveals a strange light-brown slime on Indian River Lagoon dolphins signals suppressed immunity and other health issues.

It's pretty rare to spot dolphins in Vancouver's waters. While several species of the adorable marine mammals call B.C.'s ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAO PAULO (AP) — More than 100 dolphins have ...

On Monday, March 9, New Yorkers going about their days were caught by a rare sight in the East River. For a moment, the usually busy city channel turned into a playground for dolphins. Soon, many ...

Researchers monitoring solitary bottlenose dolphin in Venice say its survival depends on management of people Usually, bottlenose dolphins live in small to medium-sized groups. However, every ...