Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may ...

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

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

The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new species. Biologists have long thought that pollinators and specialized flowers ...

Spring is a time of renewal, even in a seemingly harsh desert landscape. Flowers bloom, cacti bear fruit, and the warm air ...

Add this spring-blooming cactus to your collection.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Cacti are a fun addition to any houseplant collection! They vary in size, shape and bloom time, so they ...

A group of cacti species native to a remote Chilean desert has been poached to near extinction, thanks in part to social media crazes continents away. According to a new report from the International ...

Arizona's iconic saguaro cacti are falling over and dying thanks to extreme heat in the state. The plants, although adapted to hot temperatures, rely on summer monsoon rains that haven't come. Phoenix ...

DENVER (CBS4) - A German cactus collector arrested at Denver International Airport faces charges for taking more than just photos of the prickly plant. U.S. Fish and Wildlife officers arrested Simon ...