Life
Ancient Fossil Shows Spiders May Have Come From the Sea
A half-billion-year-old fossil of a tiny marine predator is shaking up long-held assumptions about the origins of spiders and their kin.
Jul 22, 2025
Writer at Science Blog
University of Arizona
Contributor
Health
The Missing Y: How Chromosome Loss Creates Cancer's Perfect Storm
Cancer has been pulling off an elaborate deception, one that explains why men die from the disease more often than women—and why some cutting-edge therapies might be doomed to fail.
Jun 5, 2025
Space
Scientists Uncover How Pluto and Its Moon Performed a Cosmic Dance
A new study has revealed that Pluto and its largest moon Charon formed through an unexpected cosmic dance, challenging decades of scientific assumptions about their origins.
Jan 7, 2025
Life
Scientists Find Earliest Evidence of Human-Dog Bonds in Americas
Archaeological findings from Alaska reveal that humans and canines formed close relationships in the Americas 12,000 years ago - about 2,000 years earlier than previously known.
Dec 5, 2024
Life
The Great Color Explosion: How Earth's Animals Became Dazzlingly Colorful 100 Million Years Ago
Summary: A groundbreaking study from the University of Arizona reveals that Earth experienced a dramatic explosion in animal color signals during the last 100 million years.
Nov 8, 2024
Space
Webb Space Telescope reveals elusive details in young star systems
Every second, more than 3,000 stars are born in the visible universe. Many are surrounded by what astronomers call a protoplanetary disk – a swirling "pancake" of hot gas and dust from which planets form.
Oct 4, 2024
Space
Webb Telescope Unveils Surprising Atmospheric Asymmetry on Cool, Puffy Exoplanet
Summary: Using NASA's James Webb Space Telescope, astronomers have discovered significant east-west atmospheric asymmetry in the cool, low-density exoplanet WASP-107b, challenging existing atmospheric models for planets in this temperature range.
Sep 24, 2024
Brain & Behavior
Service Dogs Significantly Reduce PTSD Symptoms in Veterans, Study Finds
Service dogs can significantly improve the lives of veterans struggling with post-traumatic stress disorder (PTSD), according to a new study by researchers at the University of Arizona College of Veterinary Medicine.
Jun 5, 2024
Brain & Behavior
Suicide and Homicide Risks Peak at Night, Study Reveals the Dangers of "The Mind After Midnight"
Researchers from the Department of Psychiatry at the University of Arizona College of Medicine – Tucson have found that risks for death by suicide and homicide…
May 29, 2024
Technology
Phononics Advance Could Revolutionize Wireless Tech, Making Devices Smaller and More Efficient
Imagine if your earbuds could do everything your smartphone can do already, except better.
May 10, 2024
Space
Hansel and Gretel's breadcrumb trick inspires robotic exploration of caves on Mars and beyond
House hunting on Mars could soon become a thing, and researchers at the University of Arizona are already in the business of scouting real estate that future astronauts could use as habitats.
Mar 2, 2023
Brain & Behavior
Ever been lost in the grocery store? Researchers are closer to knowing why it happens
Imagine you're walking through a chain supermarket, headed for the dairy section.
Nov 17, 2021
Brain & Behavior
Is combat-induced post-traumatic stress disorder unique to industrialized warfare?
Matthew Zefferman entering data in the field in Turkana. Matthew Zefferman image.
Apr 7, 2021