Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure ...

Mice that experience the real world may be better models for human mental health conditions, compared with lab mice that never leave their cages, a study hints.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The 2025 study, ...

Like stressed-out humans, sometimes rats go looking for a little relief too — in the form of cannabis, a new study has found. And the experiment could shed light on why some humans gravitate toward ...

A study published in Neuropsychopharmacology focused on cannabis-seeking behavior and found that rats with higher natural stress levels are much more likely to self-administer cannabis. The Washington ...

Rats and other rodents and pests can make great archivists. That's because they forage food and build dens, storing fabric, paper, animal bones, plant remains and other materials under floorboards, ...

New York City, home of this particular creature, was second on Orkin’s annual list of rattiest cities. JULIE JACOBSON ASSOCIATED PRESS file For the second year in a row, Kansas City won’t be in the ...

Your "roommate's" genes could be influencing the bacteria living in your gut, and vice versa, according to a study of rats published today in Nature Communications. The research, carried out by ...

A new study shows it might not just be stressed-out people who like to relax with a little cannabis. Stressed-out rats were more likely to seek relief from cannabis than their non-stressed ...

PULLMAN, Wash. — It isn’t just people – when given the chance, rats may also use cannabis to cope with stress, according to a study by researchers at Washington State University. Published in the ...

PORTLAND, Ore. (KOIN) — Rats and humans are more similar than you might imagine, at least according to a new study by Washington State University. The new study, which was recently published in the ...