UNDATED (WKRC) - Scientists have recently discovered the fossil of a salamander-like creature that they believe lived 40 million years before the first dinosaur. On Wednesday, the Field Museum in ...

Animal models play a starring role in medical discoveries because they help scientists understand how living organisms develop and function, and how they respond to diseases and treatments.

The National Association for Biomedical Research, which supports testing drugs in animals, says animal testing in conjunction with human trials "remains the best way to examine complex ...