After encountering a cholla cactus, Charlie had to have spines removed from his eyes, mouth, and paws by Arizona Humane Society veterinarians Kelli Bender is the Pets Editor at PEOPLE. She has been ...

Did you know that there are over 1700 species of cacti—spiny plants that have evolved to survive some of the harshest environments on earth. Over the course of their evolutionary history, most species ...

The spines of the jumping cholla cactus slide in with ease, but they’re grueling to extract. You can thank their barbs. ByKatherine J. Wu Tuesday, November 20, 2018 NOVA NextNOVA Next This unfortunate ...

Scientists have unraveled some of the mechanical mysteries behind the pokes and prods of cacti. Like porcupine quills, the barbed spines of some cactus species easily puncture their prey but are ...

PHOENIX — A puppy that was found covered in cactus spines in Surprise last month is ready for adoption after recovering. The 5-month-old Chihuahua puppy named “Cholla Charlie” was in quite a bit of ...

The same traits that allow barbed cactus spines to readily penetrate animal flesh also make the spines more difficult to dislodge, a new study finds. The microscopic barbs on the spines are layered ...

It's is easy to remember genus Ferocactus if you think ferocious-cactus. The species are distributed over Southern California, Baja and Arizona are fabulous in the wild and even better tended in our ...

Don't do anything dangerous in the garden while I'm gone, Norman Klein's wife admonished him before leaving on an out-of-town trip. Dangerous? Gardening is supposed to be therapeutic, peaceful, ...