A feast for the eyes—and for dolphins. Here’s the wondrous way bait balls form.

With the feeding frenzy in full swing, the dark blue sea water is a flurry of movement. Dozens of dolphins dart up from below ...

Bertie Gregory's newest adventure takes him to the sea for 'Dolphins Up Close with Bertie Gregory'

Bertie Gregory is swimming with the dolphins for his newest National Geographic adventure. "Dolphins Up Close with Bertie ...

Guts of endangered Indus River dolphins found to be inundated with microplastics

Microplastics are a growing problem worldwide. They disrupt ecosystems and contribute to adverse effects, like metabolic ...
The Associated Press on MSN

Endangered pink river dolphins face a rising mercury threat in the Amazon

When the team hauls a dolphin into a boat, it thrashes as water streams from its pink-speckled sides and the crew quickly ...