Although some trees around Flagstaff are looking drought-stressed, one veteran leaf watcher still expects a good show this fall.

Concerns over buffel grass are growing across some of our neighborhoods as officials say the fire hazard threatens not only our communities, but also wildlife.

Colossal Biosciences has just had a major breakthrough in its attempt to revive the dodo bird from extinction. What are the ...

As your garden winds down into fall, it's nice to have a few new blooms. This common flowering plant is a popular option, but ...

For decades, we’ve heard warnings that humanity is teetering on the edge of a new “mass extinction.” But a new study paints a very different picture.

Imagine a world where life-saving vaccines could be grown in a garden and consumed in a salad. That’s the potential offered ...

The awards recognize exemplary management and outstanding accomplishments in restoring and maintaining the health of public ...

Mary Vaux Walcott (1860-1940), considered to be one of America’s most important naturalists, recorded in watercolor paintings ...

Four non-native species are now considered invasive in North America: Scotch broom (Cytisus scoparius), Portuguese broom ...

Invasive plants are changing tropical ecosystems, displacing wildlife, and altering communities - yet some people are finding ...

As the slope flattened out, the landslide blew open the channel and spread out, depositing a wall of uprooted trees just ...

The colorful, venomous and mysterious Gila monster flourishes in the scorching Desert Southwest, but climate change threatens ...