A major study reveals how genes, immunity and lifestyle shape viral persistence and explain why some infections never fully leave the body ...

The close relationship between humans and dogs has been ongoing for more than 14,000 years, a new study has discovered.

Here’s a timeline of the killings on Long Island, how the investigation unfolded and what ultimately led to the arrest of a ...

Genetically modified organisms are one thing. Convincing people they are safe to eat or use is something else entirely. Since ...

This unique relationship between people and dogs has existed for such a long time and is continuing on today,” said ...

Some viruses that make us sick are cleared by the immune system within days, while others lurk in our bodies for a lifetime ...

Scientists think dogs descended from an ancient population of gray wolves somewhere in Europe or Asia. Tens of thousands of ...

Two orphaned black bear cubs are receiving specialized care after their mother was euthanized in Monrovia due to public ...

Ancient DNA from a medieval burial inside a Neolithic monument reveals unexpected ancestry links and hints that the site’s significance endured far longer than once believed.

The oldest ancient dog genomes on record all come from a population that lived alongside Ice Age hunter-gatherers across ...

The discovery of the oldest ever dog DNA suggests they have been our best friends for nearly 16,000 years -- 5,000 years ...

Two new papers have shown that dogs were fully distinct from wolves—and companions with people—more than 14,000 years ago.