Archaeologists debate when the first humans arrived in the Americas. Controversial 22,000-year-old …

Researchers say fires, possibly set by humans, led to the disappearance of dire wolves, sabertooth …

Giant mammals like dire wolves and saber-tooth cats were once common in North America. But these me…

Ancient wolf DNA spanning the last 100,000 years, points to the moment — possibly two moments — whe…

While conducting the study, the researchers carefully observed the behavior of these wolves for 2…

As we begin to unpick the history of human and Neanderthal evolution, new scrutiny is being placed …

Analysts ranked the 50 US states by risk of dog and cat diseases. Here are the diseases to watch ou…

We're not just losing animals by the species anymore; it's by the genus now. Examining 34,600 land-…

It's easy to complain about Gen Z workers as being lazy or entitled. But often they're reacting to …

Three new studies underscore the ways in which dogs meaningfully communicate with and understand hu…

A clinical trial participant was able to erase his credit card debt and made nearly $10K for being …

Some studies suggest a mutated strain of the coronavirus is more transmissible than the original. M…

Another study published March 1 in the Journal of Hospital Infection examined the lifespans of vari…

"We used to think that we really didn't have the flu here in California, but ... once it gets start…

Dogs can't catch human colds but they have common infections of their own like kennel cough, dog fl…

High up on the grassy Guassa Plateau, with elevations ranging between 10,000 and 12,000 feet above …

High-profile conservative figures and Trump allies, such as the conservative-leaning Wall Street Jo…

Do not try to "stare the animal down" Wolves appear to regard a direct stare as a challenge or a th…

These are Insider's biggest healthcare stories for July 19.

At 32 weeks pregnant with twins, the author found out one of the babies had died in utero. Medical …