The Paleozoic Diet: Why Animals Eat What They Eat

An in-depth look into the deep history of how animals evolved their dietary preferences over the last 800 million years led UA researchers to some unexpected discoveries.

Fracking Has Less Impact on Groundwater Than Traditional Oil and Gas Production

New research reports that conventional oil and gas production activities inject more water underground than hydraulic fracturing and other unconventional petroleum-production methods.

Best of Both Worlds: Asteroids and Massive Mergers

University of Arizona researchers are using the Catalina Sky Survey’s near-Earth object telescopes to locate the optical counterparts to gravitational waves triggered by massive mergers.

Today’s Students are Tomorrow’s Space Explorers

Ten students from Japan and Arizona gathered for the first official Space Camp Biosphere 2, where they designed Biosphere 3 to sustain human life on Mars.

NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return

The OSIRIS-REx spacecraft has mapped Bennu to identify the best spots for the spacecraft to collect a sample. The final two sites – a primary and backup – will be selected in December.

Virtual 'Universe Machine' Sheds Light on Galaxy Evolution

By creating millions of virtual universes and comparing them to observations of actual galaxies, a UA-led team present a powerful new approach for studying galaxy formation.

Control Theory: Mother Nature is an Engineer

Engineering principles developed only 150 years ago were found to have evolved first in biological circuitry that controls cell growth, according to new UA research.

A New Lens for Life-Searching Space Telescopes

UA researchers have designed a telescope that is a cheaper, lighter and more powerful option than creating telescopes using ever-larger mirrors.

Dark Matter, Dark Energy Focus of Early Career Research Award

Two UA astronomers received Early Career Research Awards from the Department of Energy to to investigate the nature of the expanding universe and other dark mysteries.

Ancient Plankton Help Researchers Predict Near-Future Climate

Temperature data from the Pliocene, an era with CO2 levels similar to today's, could be used to understand the climate shifts of the near future, according to UA geoscientist.


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