Colossal Biosciences blends holiday cheer and genetic breakthroughs in a cozy new video starring a woolly mouse.

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 ...

In the movie Eternal Sunshine of the Spotless Mind, scientists erase troubling memories from Jim Carrey’s head. In real life, scientists have done the opposite. By reactivating certain nerve cells, ...

An extraordinary new study has detailed the development of a nearly complete mouse embryo – with muscles, blood vessels and a tiny beating heart – grown in a lab dish out of stem cells. The research ...

The quest to resurrect the woolly mammoth on Earth has taken another, well, small step with the creation of the Colossal Woolly Mouse. The lab-engineered rodents have seven genes that have been ...

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 ...

NEW YORK (AP) — Scientists have produced rudimentary mouse sperm from stem cells in the laboratory, a step that may lead to a treatment for infertile men. If the technique pans out in people, doctors ...

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 simple inbred rodent became one of the most important—and flawed—subjects in the history of science. Next up for the lab mouse: helping to reprogram the human genome. In 1957, a new medicine ...