A spider with extraordinary genitalia, a carnivorous caterpillar that wears its prey's body parts, and a tiny opossum are among the cool new species described by science in 2025.

Ringtail is Arizona’s state mammal, designated in 1986 to highlight regionally tied symbols. Ringtails are nocturnal, desert-adapted raccoon-like carnivores about the size of a house cat with a ringed ...

The court invoked Ecuador’s rights of nature laws in halting a highway project to protect the Jambato harlequin toad, ...

Chutti the Rhino made his Fiesta Bowl prediction at the Phoenix Zoo ahead of Thursday's matchup between Ole Miss and Miami.

In the U.S., there are roughly thirty species of venomous snakes, most of them rattlesnakes. Most people will never have a ...

For many, their latest expedition in Baja Sur marks a return, more than a decade after their investigation began.

Each new year helps many state agencies earn revenue to conserve nature by selling wildlife calendars that also showcase ...

In rural Prentiss County, on a triangle of land cornered between a stretch of U.S. 45 and Twenty Mile Creek, Joanna Byrd ...

Explore Arizona’s Colossal Cave Mountain Park on a guided stroll past bat roosts, outlaw lore, and fossilized flowstone in a ...

Peat poured in 20 points and seven rebounds as the Horned Frogs capped a frustrating week with a loss to the No. 1 team.