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Phys.org / Asteroid that wiped out dinosaurs had limited impact on sharks and rays, study shows

A new study using advanced artificial intelligence (AI) has revealed that the asteroid strike that wiped out the dinosaurs 66 million years ago caused only a modest decline in shark and ray species. The findings, published ...

Jan 28, 2026 in Biology
Phys.org / Changes to cougar diets and behaviors reduce their competition with wolves in Yellowstone, study finds

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help them avoid wolf encounters. ...

Jan 26, 2026 in Biology
Phys.org / Essential oils may provide a natural remedy for antibiotic resistance

Thyme, rosemary, and lavender have long been associated with natural medicine. Today, however, these aromatic plants are increasingly being studied by researchers. "In an era of ever-increasing microbial resistance to antibiotics, ...

Jan 28, 2026 in Biology
Phys.org / A possible ice-cold Earth discovered in the archives of the retired Kepler Space Telescope

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up surprises. A new paper reveals the latest: a possible rocky planet slightly larger than Earth, orbiting ...

Jan 28, 2026 in Astronomy & Space
Medical Xpress / Fecal transplant capsules show promising results in clinical trials for multiple types of cancer

Fecal microbiota transplants (FMT) can dramatically improve cancer treatment, suggest two groundbreaking studies published in the Nature Medicine journal. The first study shows that the toxic side effects of drugs to treat ...

Jan 28, 2026 in Oncology & Cancer
Phys.org / From stellar engines to Dyson bubbles, alien megastructures could hold themselves together under the right conditions

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering precautions, calculations ...

Jan 27, 2026 in Astronomy & Space
Phys.org / Amazon Leo satellites exceed brightness limits, study finds

Seeing a satellite zip across the night sky can be a fascinating sight. However, what may be spectacular for people on the ground is becoming a major problem for astronomers. A new study published on the arXiv preprint server ...

Jan 27, 2026 in Astronomy & Space
Phys.org / Massive runaway stars in the Milky Way: Observational study explores origins and ejection process

Researchers from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC), in collaboration with the Institute of Astrophysics of the Canary Islands (IAC), ...

Jan 28, 2026 in Astronomy & Space
Phys.org / The Great Mongolian Road: Japanese Imperial Army maps reveal first detailed documentation

In a study published in the Journal of Historical Geography, researchers Dr. Chris McCarthy and his colleagues have documented, for the first time, the Great Mongolian Road, a major yet understudied east-west caravan route ...

Jan 27, 2026 in Other Sciences
Phys.org / Surprising green ice on Lake Lipno: Cyanobacteria bloom in mid-winter

An unusual natural phenomenon appeared on Lake Lipno in South Bohemia, the Czech Republic, at the end of 2025. Large amounts of accumulated cyanobacteria in the water caused the ice to turn green. The phenomenon was thoroughly ...

Jan 28, 2026 in Biology
Medical Xpress / These two viruses may become the next public health threats, scientists say

Two emerging pathogens with animal origins—influenza D virus and canine coronavirus—have so far been quietly flying under the radar, but researchers warn conditions are ripe for the viruses to spread more widely among ...

Phys.org / Spider monkeys pool their knowledge to find the best fruit

When spider monkeys want to tell others about the best fruit trees in the forest or ones they've missed, they do so by changing their social groups to share what they know, according to a new study published in the journal ...

Jan 26, 2026 in Biology