Researchers are concerned the declines will lessen the scale of and in some cases possibly eliminate the large saguaro forests in Arizona.

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Saguaro cactus silhouetted at sunset in the Saguaro East - Rincon Mountain District, Saguaro National Park, Tucson, Arizona. ...

Imagine standing under the blinding sun of the Sonoran Desert, surrounded by towering, ancient sentinels with spiny arms stretched toward the sky. These aren’t just plants—they’re survivors, icons, ...

MIDLAND, Texas — Author's Note: The story has been updated to reflect the corrected information from the City of Midland NewsWest 9 is learning new details on why Melissa Griffin-Hobson was ...

“So those are showing that those animals actually were there ... They “help to paint a more complete picture of what life was like” during the Eocene.

34,046 people played the daily Crossword recently. Can you solve it faster than others?34,046 people played the daily Crossword recently. Can you solve it faster than others?

SAN DIEGO — A toxic algae bloom stretching from San Diego to San Luis Obispo has led to the deaths of hundreds of marine animals, including whales, dolphins, and sea lions. Scientists have ...

This particular test, featuring six hidden animals in a tree, claims to reveal dominant personality traits based on the first animal spotted. The test suggests insights into leadership ...

Split into east and west districts, with Tucson, Arizona, smack dab in the middle, Saguaro ... those cactus blooms, petroglyphs etched into the rocks as far back as 1,550 years ago, sunsets over the ...