Phys.org news

Phys.org / What was the Christmas star? Astronomy might hold the answer

In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the "Christmas Star" from the story of the nativity. Described in the Gospel of Matthew, the star guided the three wise men to the ...

Dec 29, 2025 in Astronomy & Space
Phys.org / A new way to map how cells choose their fate

Researchers from Kyushu University have developed an innovative computational method, called ddHodge, that can reconstruct the complex dynamics of how cells decide their fate.

Dec 29, 2025 in Biology
Phys.org / How a bacteria-busting spray could help solve a meaty problem

University of Otago scientists are harnessing the power of peptides—the body's own tiny protein molecules—for a spray to help the red meat industry solve headaches around bacterial contamination and spoilage.

Dec 29, 2025 in Biology
Phys.org / Multi-core black carbon particles found to boost light absorption in wildfire smoke

Researchers at The Education University of Hong Kong (EdUHK) have contributed to a study revealing that conventional theories on the structure of black carbon particles—such as those emitted by wildfires—may have significantly ...

Dec 29, 2025 in Earth
Phys.org / The moon and sun figure big in the new year's lineup of cosmic wonders

The moon and sun share top billing in 2026.

Dec 29, 2025 in Astronomy & Space
Phys.org / Wildland fires emit more air pollution than previously estimated, study finds

As fires burn the landscape, they spew airborne gases and particles, though their impact on air pollution might be underestimated.

Dec 29, 2025 in Earth
Phys.org / Study uncovers how calcium controls insulin quality in the endoplasmic reticulum

Calcium (Ca2+) drives many cellular functions, though the way it controls quality of proteins in the endoplasmic reticulum (ER), a cellular organelle that synthesizes and transports proteins, has not been elucidated. This ...

Dec 29, 2025 in Biology
Phys.org / Novel model to reveal deep-sea black coral symbiotic system

A research team has achieved a significant breakthrough in understanding the adaptive strategies of the deep-sea black coral Bathypathes pseudoalternata (B. pseudoalternata) and its symbiotic microbiome. The study has been ...

Dec 29, 2025 in Biology
Phys.org / Ancient bone arrow points reveal organized craft production in prehistoric Argentina

For decades, research and understanding of the diverse bone raw material used by the Late Prehispanic Period (~1220 to 330 cal BP) people of the Sierras de Córdoba were scarce. However, Dr. Matías Medina and his colleagues, ...

Dec 28, 2025 in Other Sciences
Phys.org / ALMA datasets elucidate nearby galaxy NGC 1266's massive molecular outflow

By analyzing the archival data from the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has inspected the outflow of a nearby galaxy known as NGC 1266. Results of the new study, presented ...

Dec 28, 2025 in Astronomy & Space
Phys.org / Glacier loss to accelerate, with up to 4,000 disappearing each year by 2050s

Thousands of glaciers will vanish each year in the coming decades, leaving only a fraction standing by the end of the century unless global warming is curbed, a study showed on Monday.

Dec 28, 2025 in Earth
Phys.org / Ancient mega-shark ruled Australian seas 15 million years before megalodon

In the age of dinosaurs—before whales, great whites or the bus-sized megalodon—a monstrous shark prowled the waters off what's now northern Australia, among the sea monsters of the Cretaceous period.

Dec 28, 2025 in Biology