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.

Employees at the Environmental Protection Agency’s research campus in North Carolina are preparing to take on a new responsibility. Bring home lab rats as pets. Or maybe some zebra fish. Both animals ...

Scientists have discovered a more robust way of grouping chemicals and using read-across for toxicological data to meet regulatory requirements, which could greatly reduce animal testing. Scientists ...