A phylogenetic tree shows the points at which lineages have diverged and how new species have evolved from a common ancestor. Phylogenetic trees can be determined according to the data derived from a ...

Once the fire crested the rim, having covered some 15,000 acres, it would die against a broader firebreak that Salt River Project contractors had chewed out of the dense ponderosa forest with the ...

Northern Arizona University researcher Ian Harrison, who focuses on freshwater conservation, said freshwater environments, like rivers and lakes, contain 12% of the world’s species. So ...

Arizona sports betting is legal, live, and available. There are 12 active online sportsbooks in the state, including DraftKings, Caesars, BetRivers, FanDuel, Fanatics Sportsbook, and BetMGM. New ...

The Arizona House of Representatives is the lower chamber of the Arizona State Legislature. Alongside the Arizona State Senate, it forms the legislative branch of the Arizona state government and ...

Australian scientists have discovered a new species of the deadly funnel-web spider that is bigger and more venomous than its relatives, nicknaming it "Big Boy." In research released Monday ...

Copyright 2025 The Associated Press. All Rights Reserved. Baylor forward Jason Asemota drives between Arizona forward Trey Townsend, forward Henri Veesaar, and guard ...

But did you know it took Arizona a tumultuous 15 years to recognize Martin Luther King Day as an official holiday? Here's what happened. Martin Luther King Jr. Day is observed on the third Monday ...

Specimens have large eyes and claws, as well as smooth bodies. The species comes in two color forms: Blue form crayfish are a dark hue with orange joints and tails, while purple form crayfish are ...

A larger and more venomous species of one of the world's deadliest spiders has been confirmed by Australian scientists. Nicknamed 'big boy', it can grow up to 9cm (3.54 inches) compared with 5cm ...

SYDNEY, Jan 14 (Reuters) - Australian scientists have discovered a bigger, more venomous species of the Sydney funnel-web spider, one of the world's deadliest. The new funnel-web species has ...