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 ...

Funding for UC San Diego study had been reinstated under court order last summer, but budget period ended and NIH was under ...

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 ...

Repeated cloning from a single mouse failed after 58 generations. Researchers say harmful DNA changes are to blame.

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, ...

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 ...

The National Institutes of Health, under President Joe Biden, has spent millions of dollars funding experiments where animals are given sex-change procedures and studied for the benefit of the ...

I think we're all clones now. The post Scientists Cloned a Mouse, Then Cloned the Clone, Et Cetera. The Results Were Horrific ...

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 ...

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 ...