The World Health Organization (WHO) has published its new 2025 Guidelines on the replacement or removal of animal tests for the quality control of biological products.

There are a lot of hot-button questions when it comes to the ethics of scientific research, but the perennial issue of animal testing seems to incite fever-pitched anger on both side of the debate.

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 ...

Millions of animals each year are killed in U.S. laboratories as part of medical training and chemical, food, drug and cosmetic testing, according to the non-profit animal rights organization People ...

The push to abandon animal testing is gaining momentum, driven by the realization that it is costly, unreliable and ...

For thousands of years, humans have studied animals’ bodies to better understand our own. But using other animals as a proxy for humans is far from perfect. There are ethical issues for one, and they ...