New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Mouse

A mouse is a mammal that belongs to one of numerous species of small rodents. The best known mouse species is the common house mouse. It is found in nearly all countries and, as the laboratory mouse, serves as an important model organism in biology; it is also a popular pet. The American white-footed mouse (Peromyscus leucopus) and the deer mouse (Peromyscus maniculatus) also sometimes live in houses. These species of mice live commensally with humans. Although they may live up to two years in the lab, the average mouse in the wild lives only about 3 months, primarily due to heavy predation. Cats, wild dogs, foxes, birds-of-prey, snakes and even certain kinds of insects have been known to prey heavily upon mice. Nevertheless, due to its incredible adaptability to almost any environment, and its ability to live commensally to humans, it is regarded to be the second most successful mammalian species living on earth today, after the rat. Mice can be harmful pests, damaging and eating crops and spreading diseases through their parasites and feces. The original motivation for the domestication of cats is thought to have been for their predation of mice and their relatives, the rats.

Related Stories
 


Plants & Animals News

January 15, 2026

In the rapidly disappearing Atlantic Forest, mosquitoes are adapting to a human-dominated landscape. Scientists found that many species now prefer feeding on people rather than the forest’s diverse wildlife. This behavior dramatically raises the ...
Scientists are taking a closer look at monk fruit and discovering it’s more than just a sugar substitute. New research shows its peel and pulp contain a rich mix of antioxidants and bioactive compounds that may support health. Different varieties ...
Scientists have identified a newly recognized threat lurking beneath the ocean’s surface: sudden episodes of underwater darkness that can last days or even months. Caused by storms, sediment runoff, algae blooms, and murky water, these “marine ...
Honey bees can normally keep their hives perfectly climate-controlled, but extreme heat can overwhelm their defenses. During a scorching Arizona summer, researchers found that high temperatures caused damaging temperature fluctuations inside hives, ...
Some antibiotics stop bacteria from growing without actually killing them, allowing infections to return later. Scientists at the University of Basel created a new test that tracks individual bacteria to see which drugs truly eliminate them. When ...
Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters. Climate-driven changes may reduce iron delivery ...
Coral reefs appear to run a daily timetable for microscopic life in nearby waters. Scientists found that microbial populations above reefs rise and fall over the course of a single day, shaped by feeding, predation, and coral-driven processes. Some ...
DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave. Researchers have now mapped this hidden architecture in unprecedented detail, showing how genome structure changes from cell to ...
Scientists have created a new way to watch plants breathe—live and in high definition—while tracking exactly how much carbon and water they exchange with the air. The breakthrough could help unlock crops that grow smarter, stronger, and more ...
CO2 can stimulate plant growth, but only when enough nitrogen is available—and that key ingredient has been seriously miscalculated. A new study finds that natural nitrogen fixation has been overestimated by about 50 percent in major climate ...
Not all microbes are villains—many are vital to keeping us healthy. Researchers have created a world-first database that tracks beneficial bacteria and natural compounds linked to immune strength, stress reduction, and resilience. The findings ...
Overfished coral reefs are producing far less food than they could. Researchers found that letting reef fish populations recover could boost sustainable fish yields by nearly 50%, creating millions of extra meals each year. Countries with high ...

Latest Headlines

updated 12:56 pm ET