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Such evidence suggests early heartworms evolved alongside canines millions of years ago. Mosquitoes existed long before ...

As human groups migrated and settled across Holocene Eurasia, dogs often traveled with them, researchers report in a new genomic study – and sometimes dogs were traded among populations. The study ...

Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape appearing over 11,000 years ago. A massive global analysis of ancient skulls shows ...

Research led by the University of Sydney is reshaping scientific understanding of one of the world's most widespread canine ...

Learn how heartworm disease became widespread in dogs, reflecting an evolutionary history that spans back to ancient times.

Our best friends come in a fantastic array of shapes and sizes; a Borzoi looks nothing like a Boston terrier, except for a certain fundamental, ineffable (except to taxonomists) doggyness about them.

Like the latest iPhone model, new dog breeds drop all the time. In early 2025, the American Kennel Club officially announced the Danish-Swedish Farmdog as the 202nd recognized dog breed. It’s only the ...

Dogs have a special chemistry with humans that goes back many tens of thousands of years. Researchers investigated this special evolutionary relationship from a number of different angles. Their ...

Long before dog parks and couches, certain breeds were engineered for focus, speed, and precision—instincts that remain deeply embedded in their behavior today.

Heartworm disease is caused by the parasite Dirofilaria immitis. It is spread to dogs by mosquitoes and can be fatal. Adult ...