Members of Congress exploded Thursday over reports that taxpayer money has paid for experiments using "transgender lab rats," saying it was time to shut down the government's animal-testing industry.

That experiment shut down in early May, but 7News is learning much more about how many beagles were on schedule to be killed and how those animals were treated. All in the name of science.

Biopharmaceutical companies routinely cure diseases in animals during preclinical testing, yet those same therapies fail in human clinical trials nearly 95% ...

The Food and Drug Administration (FDA) announced Thursday it plans to phase out animal testing requirements for biological products and drugs, instead moving toward alternative testing models such ...

NIH plans to reduce animal testing in federally funded research. Moreover, animal models have dramatically enhanced our understanding of birth defects, from which more children die from than ...

Colossal Biosciences' chief scientist has clarified that its "dire wolves" are just genetically modified gray wolves following a backlash to the "de-extinction" label it put on them.