Nestled within the Tucson Mountain District, Saguaro National Park’s main attraction has been exhibiting a strange phenomenon of “side blooms” well beyond their peak blooming season. The flowering event, which occurs from mid-April to early June, has exhibited more buds dispersed along saguaros’ trunks, with smaller flowers and fruits.

Cutting methane emissions from the oil and gas industry could create thousands of jobs across the country and in oil-producing states like New Mexico which is home to one of the most prolific fossil fuel regions in the Permian Basin.

Do you think you know the monsoon? Professional forecasters' predictions for this year's monsoon season are "basically a scientific shrug," according to UArizona climate researchers. Now, members of the public can put their own monsoon predictions to the test in a fantasy monsoon game.

Managers of some Arizona golf courses are fighting a plan that would cut water use at a time when the state is being forced to confront shrinking water supplies.

One state in particular will see an influx of these arachnids this summer.

It’s a threat you can’t see, but you can sure feel it.

The Gila River Indian Community is ensuring that its members have long-term access to their own resources while helping solve broader water supply problems in the region.

Wildfire season in the western United States is brings opportunities to learn how smoke and dust affects rainfall on the East coast.

Amid a worsening drought across the southwestern United States, residents are hoping for rain from the upcoming monsoon season. But there may not be much luck this year.

Newly released research is shedding more light on the largest sources of methane emissions in the nation’s largest oilfield.