Scientists discover that fast-changing cactus flowers, not size or pollinators, are behind the rapid evolution of new cactus species.

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new ...

Cactus-related injuries are common in the Southwest. Here's how to protect yourself.

Add this spring-blooming cactus to your collection.

String of pearls, hen and chicks, pork and beans, mother of hundreds, Old Man cactus. These quaint common names of succulents have been bandied around the gardening world for years. Despite this, ...