A Colorado cactus once thought vulnerable to oil shale development has now become the first plant to be removed from ...

The U.S. Fish & Wildlife Service was able to take a Colorado cactus off the endangered species list after it was considered a ...

Cacti are tolerant to drought and hard to kill, making them ideal for aspiring gardeners whose thumbs are more black than green. But for them to thrive, they require a special kind of soil.

The rapid decline of the species could signify a similar fate for other plants. A type of tropical cactus native to the Florida Keys has become the first species in U.S. history to become extinct ...

Saguaro National Park is famous for its namesake giant cactus, but many might be surprised to learn that the park is home to an amazing variety of other cacti — 25 species in all. In addition to ...

A cactus no bigger than a paperclip grows across the rocky eastern slopes of the Kaibab Plateau. Its thin, long spines ...

The saguaro and another cactus species (the cardón, native to northwest Mexico) both claimed the world record, as they can live for more than 200 years and even perhaps up to 300 years old ...

bringing even worse tides and ocean water intrusion – an existential threat to many other species, scientists say. “Unfortunately, the Key Largo tree cactus may be the bellwether for how other ...

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 ...

The loss of any species to climate change is something plant physiologist Lewis Ziska feels deeply. Bidding farewell to the Key Largo tree cactus, in particular, is all the more meaningful for the ...

Such internal reservoirs help cacti thrive where other plants would instantly wilt. But the saguaro species (Carnegiea gigantea), native to the Sonoran Desert in the United States and Mexico ...