It began, almost certainly, in a bat. Then, just as SARS jumped to civets from bats, the virus that causes COVID-19 passed to another mammal, possibly a pangolin. Finally, late last year, the new coronavirus most likely jumped to humans in a wildlife market in Wuhan, China, a densely populated city...

In March, as people struggled to understand how the precursor of the virus that causes COVID-19 emerged from horseshoe bats in southern China and reached humans in the central city of Wuhan, Humane Society International policy specialist Peter Li fielded one question again and again: “Why do Chinese...

See the difference between cage-free egg production and battery-cage egg production.

Scientists have just begun to scratch the surface when it comes to understanding bird brains. But studies have shown what backyard chicken caregivers already know: The world’s most most intensively farmed animal has remarkable cognitive abilities.

Leaving pets locked in cars is never safe. But when the weather gets warmer, it can be deadly. High temperatures can cause irreparable organ damage and even death. Protecting animals from an unnecessary death is a problem we can all agree to prevent. How to help a dog or cat left in a hot car Take...

Cold weather can be deadly for pets. As the temperature plummets in many parts of the country, the Humane Society of the United States sees a marked increase in the number of complaints about dogs and cats who have been left outside with no food or shelter. We encourage you to contact local law...