As a researcher, I still remember the discomfort I felt every time I had to sacrifice laboratory animals for an experiment.

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a ...

A study found that Viagra, a drug for erectile dysfunction, could treat Leigh syndrome, a rare genetic disease. Animal experiments showed a life-extending effect, and some patients also improved. The ...

A newly identified sponge order, Vilesida, produces sterols linked to the oldest-known animal biomarkers, supporting the idea ...

Animal rights activists from around the country are calling their arrests at Ridglan Farms a victory, saying they were rescuing beagles from abuse rather tha ...

Every multicellular organism, from tiny worms to humans, elephants, and whales, needs a way for their cells to connect with each other to form tissues, organs, and organize their overall body plan.

Noses are usually something we take for granted. Breathing, smelling, maybe a sniff of a flower, that’s about it for most humans. But in the animal world, a nose can be a lot more than that. Some ...

The FDA’s recent announcement to reduce, and in some cases replace, animal testing for monoclonal antibodies and other therapeutics represents one of the most consequential regulatory developments in ...

Inside the growing scientific quest to understand what creatures with the extraordinary ability to defy the ravages of time can teach us about making human aging better.

The Trump administration is curbing animal experiments in response to shifts in public opinion, technological advances, years ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...