Colorful pigments may have helped cactus relatives tolerate drought before succulence became a major survival strategy.

Add Yahoo as a preferred source to see more of our stories on Google. As you journey through these desert landscapes, you'll see why cacti have become such powerful symbols of endurance and survival, ...

Cacti are widely favored for their unique aesthetic appeal and minimal care requirements, making them a top choice for indoor ...

Stacy Tornio has authored more than 15 books about animals, nature, and gardening. She is a master gardener and master naturalist. Also called angel’s wings or polka-dot cactus, this cute plant is ...

This question of why some branches of the tree of life explode into thousands of species, while others remain small, has shaped evolutionary biology since Charles Darwin. My colleague and I have ...

In Arizona, even resilient cacti are falling over and dying thanks to the blistering heat that has taken hold of the state for the better part of the last month. Reuters reported on Tuesday that the ...

Few plants can grow without soil and even fewer are capable of growing on nothing but bare rock. Yet some species of desert cactus manage this extraordinary feat, and now scientists have worked out ...