Sea lions do not often attack humans, but a slew of recent assaults points to an algae that scientists say is poisoning the animals — and making them more aggressive. This algae releases a neurotoxin ...

The pointy shell of sea urchins hides a remarkably complex neural network that resembles the brains of vertebrates, new research suggests.

California sea lion Ronan at UC Santa Cruz’s Long Marine Laboratory. (Photo by Colleen Reichmuth; NOAA/NMFS 23554) Animal research on biomusicality, which looks at whether different species are ...

The ocean is full of incredible surprises, including the darkest, deepest trenches that humans have barely explored. And inside the sea, among these places, live certain creatures with traits that ...

SALT LAKE CITY — Diego the California sea lion had a unique adventure in October when he became the biggest animal transported to the University of Utah Hospital for a CT scan. "I think for us to do ...

Ronan the sea lion can still keep a beat after all these years. She can groove to rock and electronica. But the 15-year-old California sea lion’s talent shines most in bobbing to disco hits like ...