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 ...

In a series of experiments, researchers found that a communication pathway between the brain and the gut may be integral to how well the brain holds on to memories. The genesis for the study came from ...

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 ...

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 ...

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 ...

De-extinction startup Colossal Biosciences has gene-edited mice to have mammoth-like features, creating what the company calls the Colossal Woolly Mouse. The lab mice, which have been modified to have ...