Study Traces Evolution of Acoustic Communication Back to 350 Million Years Ago
A study tracing acoustic communication across the tree of life of land-living vertebrates reveals that the ability to vocalize goes back hundreds of millions of…
University of Arizona
Your First Battle With Flu Matters Most – Here’s Why
The first strain of influenza virus we encounter during childhood sets the course of how our immune system responds to exposures later in life. How…
Bennu Site Selection for NASA’s First Asteroid Sample Return Mission
NASA’s OSIRIS-REx mission is just days away from selecting the site where the spacecraft will snag a sample from asteroid Bennu. After a lengthy and…
Nearly 40% of Global Species Are Very Rare, at Risk for Extinction From Climate Change
New University of Arizona research investigates what proportion of the world’s land plants are exceedingly rare, where they’re found and how location might put them…
These Fierce Predators Have Incredible Vision and a Newly Discovered Brain Region to Process It
How mantis shrimp make sense of the world: Researchers traced neural connections in a newly discovered brain region of mantis shrimp, gaining new insights into…
Mysterious Buckyballs Found Throughout Interstellar Space Puzzled Scientists, Until Now
Researchers discovered a mechanism creating complex carbon molecules in a simulated planetary nebula environment. Scientists have long been puzzled by the existence of so-called “buckyballs”…
A Monster Galaxy From the Dawn of the Universe Discovered by Accident [Video]
The early universe is filled with monsters, a new study revealed. Researchers led by astronomer Christina Williams discovered a previously invisible galaxy, and perhaps a…
Ants vs. Humans: Solving the Mystery of How Ants Manage Traffic So Well
Whether they occur on holiday routes or the daily commute, traffic jams affect cars as well as pedestrians. Scientists at the Research Center on Animal…
Using a Smartphone to Detect Norovirus (Winter Vomiting Bug)
University of Arizona researchers strike the balance between sensitivity and affordability with a new method for identifying this gut-busting microbe. A little bit of norovirus…
Astronomers Find Unknown Treasure Trove of Planets Hiding in Dust
The first unbiased survey of protoplanetary disks surrounding young stars in the Taurus star-forming region turned up a higher-than-expected number of disks with features suggesting…
Drying, Less Predictable Climate May Have Spurred Human Evolution
A progressively drying climate punctuated by variable wetter episodes may have precipitated the transition from our hominin ancestors to anatomically modern humans, according to research…
New Study Reveals Mercury’s Crust Is Thinner Than Anyone Thought
Mercury is small, fast and close to the sun, making the rocky world challenging to visit. Only one probe has ever orbited the planet and…
HOSTS Survey Paves Way for Exoplanet Missions
By studying dust in the habitable zones of nearby stars, the HOSTS Survey — led by UA astronomers and performed with Arizona telescopes — is…
Astronomers Track Multiple Disk Gaps and Rings Generated by a Single Super-Earth
By combining two-fluid global hydrodynamics simulations with a radiative transfer code, astronomers from the University of Arizona track and investigate the observational signatures of super-Earths….
Astronomers Provide the First Detection of Diffuse Hydrogen in a Halo Surrounding the Milky Way
Astronomers from the University of Arizona report the first detection of diffuse hydrogen in a vast halo surrounding the Milky Way. Sometimes it takes a…
New Impact Craters Help Unlock Clues About Mars
Astronomers use new craters on Mars to see beneath the dust blanket and determine the underlying rock compositions and textures. Mars is a dynamic planet….
HiRISE Views Impact Ejecta on the Surface of Mars
NASA’s High Resolution Imaging Science Experiment (HiRISE) gets a closer look at impact ejecta on the surface of Mars. Impact ejecta is material that is…
Astronomers Discover a Planet in a Triple Star System
Using direct imaging, a team of astronomers has discovered a young Jovian exoplanet within a triple-star system. If you thought Luke Skywalker’s home planet, Tatooine,…