All News

Phys.org / Space debris poses growing threat, but new study suggests cleanup is feasible

High up in Earth's orbit, millions of human-made objects large and small are flying at speeds of over 15,000 miles per hour. The objects, which range from inactive satellites to fragments of equipment resulting from explosions ...

Dec 4, 2025 in Astronomy & Space
Phys.org / Interstellar object covered in 'icy volcanoes' could rewrite our understanding of how comets formed

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers also discovered that the ...

Dec 3, 2025 in Astronomy & Space
Phys.org / LHC data confirm validity of new model of hadron production—and test foundations of quantum mechanics

A boiling sea of quarks and gluons, including virtual ones—this is how we can imagine the main phase of high-energy proton collisions. It would seem that particles here have significantly more opportunities to evolve than ...

Dec 4, 2025 in Physics
Phys.org / Lightning channels reveal hidden bursts: Lateral negative re-discharges observed for first time

A new study led by researchers from the Institute of Atmospheric Physics of the Chinese Academy of Sciences (CAS) has uncovered the first observational evidence of lateral negative re-discharges occurring on negative leader ...

Dec 4, 2025 in Earth
Medical Xpress / Single enzyme failure found to drive neuron loss in dementia

Researchers at Helmholtz Munich, the Technical University of Munich and the LMU University Hospital Munich uncovered a mechanism that protects nerve cells from premature cell death, known as ferroptosis. The study provides ...

Dec 4, 2025 in Neuroscience
Medical Xpress / For those living with dementia, new study suggests shingles vaccine could slow the disease

An unusual public health policy in Wales may have produced the strongest evidence yet that a vaccine can reduce the risk of dementia. In a new study led by Stanford Medicine, researchers analyzing the health records of Welsh ...

Medical Xpress / New approach makes common breast cancer type responsive to immunotherapy

A study led by researchers at the Hospital del Mar Research Institute advances one of the most significant milestones in breast cancer treatment, making immunotherapy effective against the most common tumor type, estrogen ...

Dec 4, 2025 in Oncology & Cancer
Phys.org / The microbiome of an entire country mapped for the first time

An international research team led by Aalborg University with contributions from the University of Vienna has systematically mapped the microbiome of an entire country for the first time. In the study "Microflora Danica," ...

Dec 4, 2025 in Biology
Phys.org / Nanotyrannus was not a juvenile T. rex, new study confirms

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper published in Science has definitively ...

Dec 4, 2025 in Biology
Phys.org / Seeding jet exhaust with ice-nucleating particles could reduce aviation's climate impact

If you look up at the sky on a clear day, chances are you'll notice thin, white clouds—also known as contrails—following behind airplanes.

Dec 4, 2025 in Earth
Phys.org / Chimpanzee calls trigger unique brain activity in humans, revealing shared vocal processing skills

The brain doesn't just recognize the human voice. A study by the University of Geneva (UNIGE) shows that certain areas of our auditory cortex respond specifically to the vocalizations of chimpanzees, our closest cousins, ...

Dec 2, 2025 in Biology
Medical Xpress / Planned birth at term reduces pre-eclampsia in those at high risk, clinical trial finds

Planned birth at term reduces the incidence of preeclampsia in women at high risk of the condition, without increasing emergency Cesarean or neonatal unit admission, according to new trial results.

Dec 4, 2025 in Cardiology