Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Dogs have the potential to detect cancer at an early stage, which is crucial for generating positive clinical outcomes. Hackensack Meridian Health has entered a partnership with SpotitEarly to study ...

Have you ever wished that your dog’s obsession with sniffing things could lead to something productive? You may be in luck! A recent study has shown that regular pet dogs can be trained to sniff out ...

Dogs trained by everyday pet owners are proving to be surprisingly powerful allies in the fight against the invasive spotted lanternfly. In a groundbreaking study, citizen scientists taught their dogs ...

The nose of a dog is marvelous in its smell. Humans possess an average of 5 million scent receptors located in the nose by contrast dogs have up to 300 million, although this may vary with the breed.