Planet Nine
The public can now join the hunt for the elusive Planet Nine, a massive planet astronomers believe might be hidden beyond Neptune.
Feb. 23, 2017
artist's concept of exoplanet TRAPPIST-1f
NASA’s announcement of planets outside our solar system that could be like Earth have scientists in Tucson excited about the possibilities for life.
Feb. 22, 2017
After suffering through a six-year drought, scientists say it appears Arizona is nearly flush with water. SRP hydrologist Stephen Flora says snow in the higher elevations has mostly melted — straight into our state reservoirs.
Feb. 24, 2017
Michelle Thompson
Michelle Thompson earned her doctorate in planetary science at the University of Arizona studying how materials weather on the surface of airless bodies such as the moon and asteroids.
Feb. 22, 2017
 olive oil
When mom said, “Eat lots of fruits and vegetables,” she may not have known that what fuels our bodies may also help fight disease. That connection will be the subject of a conference this week at the University of Arizona, attracting researchers and clinicians from across the country.
Feb. 21, 2017
solar eclipse
In six months, a total solar eclipse will cross the United States from coast to coast. The last time that happened was nearly a century ago.
Feb. 21, 2017
vehicles in traffic
President Donald Trump campaigned last year on promises to relax or eliminate environmental protections. In Arizona, that worries scientists and other advocates, especially those who want government action on climate change.
Feb. 17, 2017
John Collins
When budding bioscientists picture their futures, they probably don’t see themselves feeding sea monkeys to a bunch of freshwater minnows. But, in a small room near the lab benches of TGen, that’s exactly what John Collins does.
Feb. 17, 2017
two gold nanoparticles
Pancreatic cancer is the fourth leading cause of cancer deaths in the U.S. each year, in part because around four-fifths of cases go undetected until they have reached an advanced stage. But a new test could soon change all that — and offer a way to monitor treatment outcomes as well.
Feb. 16, 2017
tempe town lake dam
The water flowing over Tempe Town Lake dam is how the lake deals with the extra water released upstream by Salt River Project.
Feb. 16, 2017
Ribbon Falls in the Grand Canyon
Researchers say Americans are willing to pay more on their taxes to restore springs in Grand Canyon National Park — even when they’ve never visited the famous landmark.
Feb. 16, 2017
image of Jupiter taken by OSIRIS-REx
In a search for as-yet unseen asteroids, NASA’s OSIRIS-REx spacecraft has taken a photo of the solar system’s largest planet and several of its satellites.
Feb. 14, 2017