Add Yahoo as a preferred source to see more of our stories on Google. Saguaro cactuses are an iconic symbol of the American Southwest and the country's largest cactus species. But the world-famous ...

Add Yahoo as a preferred source to see more of our stories on Google. Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch ...

Discover the fascinating world of desert plants and the remarkable adaptations that help them survive extreme heat, scarce ...

PHOENIX (AP) — After recording the warmest monthly average temperature for any U.S. city ever in July, Phoenix climbed back up to dangerously high temperatures Wednesday. That could mean trouble not ...

Geologist Jeff Moore was visiting family in Tucson when he got the idea of adapting tools used to measure earthquakes for the study of saguaro cactuses. Studying the inner structure of a cactus ...

One of the Southwest’s most familiar plants may be in deep trouble. The towering, multi-armed saguaro cactus, which is found only in the Sonoran Desert in Arizona, California, and parts of Mexico, has ...

If you're one of the many people who are into succulents, then you know that they are a great plant to have around. They're beautiful, they don't take up much space, and they're relatively easy to ...

President Teddy Roosevelt, the quintessential conservationist, said, "A grove of giant redwoods or sequoias should be kept just as we keep a great and beautiful cathedral.” While in Tucson, Arizona, ...

Saguaro cactuses tower over Arizona's desert landscape, each year inching higher and higher for hundreds of years as they watch time pass. While they can grow to unique heights, one cactus holds the ...

After pockets of morning drizzle early Sunday, a drier afternoon is in store with highs in the upper 80s and a gusty south wind. Read full article: Sunday starts with patchy drizzle, ends warm and ...