Cacti may look like slow, stubborn desert survivors, but they’re actually evolving at lightning speed. Scientists studying ...

A close-up of Opuntia, commonly known as prickly pear cactus. A couple of years ago, if someone mentioned "cactus water", you'd probably picture it as something you'd reluctantly consume as a last ...

Prickly pear cactus grows in hot, sunny climates, like the southwest U.S. and Mexico. It is considered a healthy part of the Mexican diet. People eat the fruit of the prickly pear cactus. It's also a ...