Scientists have described a new species of mouse opossum discovered in 2018 in the cloud forests of the Peruvian Andes, 2,664 meters (8,740 feet) above sea level. The find was reported by Mongabay ...

Mouse sperm could win awards for resilience. Sperm freeze-dried and sent into space for months of exposure to high levels of solar radiation later produced healthy baby mice, researchers report May 22 ...

A yellow-rumped mouse is spotted at the top of a 22,000-foot volcano in the Andes. "This astonishing elevation shows to what extremes life is capable of." Journalist Bonnie Burton writes about movies, ...

A three-year project to create a detailed 3D 'atlas' of the brain of a lab mouse is now finished. The resulting model will help scientists better understand the effects of treatments and testing ...

A mouse’s entire nervous system lights up in psychedelic hues. Clumps of immune cells attacking tumors give off a ghostly glow. The vessels that make up the body’s sewer system flare brightly. These ...