Where the health care debate goes after a Republican bill is decided in the House.
Some doctors are operating on hands in a new way: with the patient wide awake. It eliminates the risks and side effects of general anesthesia.
Mar. 23, 2017
Tucson planetary science researchers will help NASA plan future robotic and human missions to the moon and beyond. From the Arizona Science Desk, Sara Hammond reports.
Mar. 22, 2017
In one five-year period, college athletes suffered more than 10,000 concussions — one-third of them while playing football. But an unusual team-up has recently brought a new kind of concussion test one step closer.
Mar. 21, 2017
By one conservative estimate, humans have sped up vertebrate species loss to 100 times the normal rate, and some scientists say the planet’s sixth mass extinction has already begun. But a little-known facility at the Phoenix Zoo is working to save what it can.
Mar. 20, 2017
Wildlife experts say most animals don’t know how to get around barriers. That’s why a proposed uninterrupted wall along the U.S.-Mexican border worries wildlife experts.
Mar. 17, 2017
Snowflake is a small town in eastern Arizona. It’s got more deer and elk than people, and that can make it dangerous to navigate rural roads at night. That’s why students at Snowflake Junior High invented a system of flashing lights to warn drivers when a big animal is nearby.
Mar. 17, 2017
The final event of an upcoming conference will see attendees sit down to a gourmet meal made entirely from food produced in controlled environments.
Mar. 15, 2017
Arizona researchers have found a way to fight soil toxins that can infect corn crops and cause illness in people who consume them. The research gives corn its own defense mechanism.
Mar. 10, 2017
Boston-based author Nathalia Holt spent years tracking down and interviewing many of the women who worked at the Jet Propulsion Laboratory in Pasadena, California, performing the mathematical computations that helped send rockets to the moon, Mars and beyond.
Mar. 9, 2017
The Navajo Nation is arid and vast — nearly 30,000 square miles. Hydrologists struggle to collect much-needed measurements of rainfall there. But now they have help from NASA satellites.
Mar. 7, 2017
Thousands of fish have died in Apache Lake due to a plant toxin, the Arizona Game and Fish Department announced Monday. The same problem afflicted fish in Saguaro, Canyon and Apache lakes 10 to 15 years ago.
Mar. 6, 2017
Fewer than 5,000 cases of the flu have been reported this season, which began in October. That number is less than half the number of cases reported at this same time last year.
Mar. 3, 2017
Astronomers voted on the definition of a planet in 2006 and Pluto didn’t make the cut. Now some scientists are suggesting a simpler and much more inclusive definition.
Mar. 2, 2017
Southwestern agriculture experts are focused on a plant disease that threatens American lettuce fields. Researchers presented methods to combat the disease at a recent conference in Yuma.
Mar. 1, 2017
A sacred site built in southwest Colorado around 800 years ago hints that the ancestral Pueblo people might have used geometry, even though they lacked a written language or system of numerals. The author says the Sun Temple at Mesa Verde National Park offers the first hard evidence that a prehistoric North American society possibly employed such figures in construction.
Feb. 27, 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
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
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
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
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