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 ...

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 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 ...

A common science fiction trope is infinite cloning. In such a scenario, we could perfectly copy our best livestock, our beloved pets, or even ourselves, forever. But apparently biology doesn’t work ...

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 ...

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 ...