Phys.org news

Phys.org / Chicxulub's lingering dust may have turned falling debris into a global firestorm

Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only creatures that ...

Jul 28, 2026
Phys.org / Queen bee pheromones help daughters decide whether to stay or leave the nest

Female sweat bees need to make a pivotal life decision: remain in the nest to help their mother raise more offspring or leave to establish nests of their own. New research from the Smithsonian Tropical Research Institute ...

Jul 28, 2026
Phys.org / Scientists uncover two new ways doxycycline disables bacterial ribosomes

Scientists have discovered two new mechanisms for how a well-established antibiotic works, paving the way for the potential development of new antibiotic treatments.

Jul 28, 2026
Phys.org / Thousands of America's historic landmarks face significant wildfire risk

When the Palisades Fire tore through Los Angeles in January 2025, it didn't only destroy homes. It took the Will Rogers Ranch House—a beloved California landmark—with it. Six months later, the Dragon Bravo wildfire burned ...

Jul 28, 2026
Phys.org / Small ants that evict coffee pests may gain reproductive boost while protecting crops

Ants are known allies in the fight against coffee pests known as coffee berry borers. Now, a discovery made by Jonathan "Jonno" Morris while he was a University of Michigan graduate student has revealed there may be a new ...

Jul 28, 2026
Phys.org / Juvenile great white sharks fled their nursery during tropical storm Hilary, research reveals

In August 2023, communities across Southern California braced for Tropical Storm Hilary—the first tropical storm to directly impact the region this century. Although the storm weakened from a Category 4 hurricane before making ...

Jul 28, 2026
Phys.org / Record snow drought drives water-hauling crisis for Rocky Mountain ranchers

As water shot into an open stock tank atop a high-country mesa, a trickle soaked the dusty earth below. Scott Snyder rose from the shade to fasten a hose and stop the spillage.

Jul 28, 2026
Phys.org / New shrimpgoby species named after its colors and 'The Sunrise of Java'

Researchers have described a new species of shrimpgoby from the coastal waters off Banyuwangi, East Java, and given it a name that pays tribute to both its fiery coloration and its birthplace.

Jul 28, 2026
Phys.org / 'Rivers in the sky' influence marine heat waves

Long, narrow bands of moving moisture in the sky, known as atmospheric rivers, contribute to heat waves in the marine environment, according to a new study published in Nature Communications by researchers from Duke University's ...

Jul 28, 2026
Phys.org / Neuroscientists reveal limits of human compassion for global crises

New research from the University of Sussex has revealed the biological limits to human compassion and empathy. The study found a stark contrast between how the brain processes information about risk to human lives and information ...

Jul 28, 2026
Phys.org / Nanomace catalyst boosts greenhouse gas breakdown up to 14.4-fold

Seoul National University (SNU) College of Engineering announced that a research team led by Professor Jeong Woo Han of the Department of Materials Science and Engineering has developed a new nanostructured catalyst with ...

Jul 28, 2026
Phys.org / Helical nanoparticles trigger cancer alarms and deliver gene therapy

Cancer cells survive by hiding from the immune system's surveillance. A KAIST research team has developed a new anticancer platform that makes cancer cells send out their own danger signals—prompting immune cells to attack—while ...

Jul 28, 2026