When scientists opened the doors of a research facility and let carefully bred lab mice loose into a fenced field, they expected skittish, fragile animals to struggle. Instead, the mice rapidly shed ...

For generations, laboratory mice have lived and died under fluorescent lights, their world reduced to plastic cages and standardized pellets. When researchers finally moved some of these animals into ...

Dozens of laboratory mice allowed to roam a large outdoor enclosure returned to a typical level of mouse anxiety after just one week, researchers observed, suggesting that 'rewilding' may prevent ...

Larry Carbone offers an insider's perspective on the ethics of using animals in invasive research, the need for more compassion, and what must be done immediately on their behalf.

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 ...

A new study finds that lab mice perform a suite of likely innate behaviors towards unconscious mice that help them revive faster. When we humans encounter an unconscious person, we might spring into ...

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 ...