A zoo worker recently noticed the blue and yellow fish was "experiencing buoyancy issues and swimming abnormally" with a tilt, the zoo said. That prompted a visit last week to the facility's on ...

A fancy-looking French angelfish that was found one day with a funny float has its buoyancy back after taking some time from its tropical trappings to get a CT scan at the Denver Zoo. A zoo worker ...

A zoo worker recently noticed the blue and yellow fish was swimming with a tilt, prompting a visit last week to the facility’s on-site hospital for an ultrasound and the CT scan. The CT scan ...

Researchers have a new idea about why fish swim in schools. Turns out when fish swim together in turbulent water, they use nearly 80% less energy. LEILA FADEL, HOST: Yangfan Zhang studies animal ...