New work shows how using next-generation DNA sequencing on ancient packrat middens could provide ecological snapshots of Earth's past.

The Arizona-Sonora Desert Museum, University of Arizona and Tumamoc Hill Desert Laboratory are conducting a research study on the desert’s recovery after the fire and specifically looking at saguaro cacti.

The University of Arizona's Humanities Seminars Program is offering a climate change course open to the public to show impacts to Southern Arizona and the world.

Walter Willett, MD, DrPH and David Ludwig, MD, PhD say the science behind dietary recommendations is thin. And they say eating too much dairy may cause harm to both our bodies and the planet.

Looking for expert advice on optimizing the environmental conditions in your greenhouse for better plant growth and crop production? The University of Arizona’s Controlled Environment Agriculture Center and the UA College of Agriculture and Life Sciences’ Biosystems Engineering department are hosting a joint seminar featuring Peter van Weel, PhD.

UN report says 1 million species are in danger of extinction.

Loss of groundwater may accelerate drying trends in the eastern United States, according to research that applied supercomputing to create an in-depth model of how groundwater will respond to warming.

Nonperennial rivers are a major—and growing—part of the global river network. New research and science-based policies are needed to ensure the sustainability of these long-overlooked waterways.

Thanks to an abnormally warm winter, green leaves are sprouting and flower buds are bursting weeks early across the Southeast this year. Spring has sprung prematurely, and depending on the weather during the next two months, this could have detrimental effects on this vegetation.

Insect pests cause billions of dollars in damage each year and they spread numerous dangerous diseases. If professionals attempting to control pest insect species had information about when those species reached the developmental stages at which they are most vulnerable to control measures, management efforts could be more economical, more effective, and less damaging to nontarget species and the environment.