Today’s animal testing differs from how it was back in the day. It’s typically done on a specific ingredient rather than a finished product, and there are often regulatory requirements based on ...

For generations, U.S. laboratories treated animal testing as an unquestioned prerequisite for new drugs and chemicals, even ...

Around 348 B.C., Aristotle took a two-year trip to the eastern Aegean island of Lesbos to study animals in a lagoon. Along with observing the creatures in their natural habitat and surmising, among ...

Experiments on animals (“in vivo” experiments) have long been the norm for learning about human health and disease, because testing on live animals enables researchers to investigate how chemicals, ...

In mid-April 2025, a claim spread online that U.S. President Donald Trump's administration had recommitted to ending animal testing at the Environmental Protection Agency (EPA) — an initiative that ...