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 ...

Trailing behind the fluffy animal, however, is a tail longer than the rest of its body combined, more than 6 inches long, ...

A new species of mouse with a remarkably long tail, dubbed Otavalo’s Andean mouse, has been discovered near a dormant volcano ...

In the mountains north of Quito, Ecuador, a small new species is followed by a “very long tail,” researchers said. Florian Delée via Unsplash High in the Andes of northern Ecuador, cities sit ...

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

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.