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 ...

Scientists have advanced human-animal chimera research by successfully growing human cells within the organs of mice. This development could bring experts closer to the goal of custom-growing human ...

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, ...

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 ...

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 ...

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 ...