Highland deer mice and their lowland cousins ventured on a simulated seven-week ascent to 6,000 meters. By tracking how the mice responded to cold stress and progressively lower oxygen levels, the ...

Seeing a single mouse doesn’t necessarily mean your home is overrun, but it's a strong signal that more are nearby, says ...

Teams of mountaineering mice are helping advance understanding into how evolutionary adaptation to localized conditions can enable a single species to thrive across diverse environments.