BALTIMORE, Maryland—On Tuesday, a Maryland federal judge ruled that the National Institutes of Health cannot lawfully refuse to retire federally owned chimpanzees formerly used for research to Chimp Haven, the federal chimpanzee sanctuary. The decision was issued in a lawsuit brought by the Humane...

WASHINGTON —Today, the Humane Society of the United States and Humane Society Legislative Fund filed a petition with the Food and Drug Administration requesting that the agency updates regulations to make clear that animal testing is not legally required for drug approval. The petition also requests...