When laboratory mice step out of their plastic cages and into real soil, their behavior changes so dramatically that it forces a rethink of what stress, health and even “normal” really mean. The story ...

The online admonition to "touch grass" to soothe your emotional state may be backed by science — at least in lab mice. A recent study finds that mice that live outside are less anxious than those that ...

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

When we humans encounter an unconscious person, we might spring into action and try to revive them. Well, a new study in the journal Science hints that lab mice might do something similar. NPR's ...

Research conducted last year shows that mice who intake less of a specific amino acid appeared to live up to 33 percent longer than mice that had more of the amino acid. If the research findings hold, ...

This is SCIENCE FRIDAY. I'm Flora Lichtman, filling in for Ira Flatow this week. Last week, when Hurricane Sandy sent a surge of salty water into cities and towns up and down the East Coast, among the ...

In the wild, a mouse or rat leads a precarious life. In the city, they dodge traps, poisons, and broom-wielding humans. In the countryside, they face owls, shotguns, and more poison. As Australia’s ...

Purified diets have long been used in lab animal research. But a recent argument posits that there may be a reason why successful animal research doesn’t always translate into the same clinical ...