All News

Phys.org / Hidden gatekeeper of cell death reveals new layer of control

A new Dartmouth study opens new avenues for understanding—and potentially manipulating—how cells decide to live or die.

Dec 10, 2025 in Biology
Phys.org / Record-breaking cosmic explosion challenges astronomers' understanding of gamma-ray bursts

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic explosion ever observed, a gamma-ray burst that lasted nearly seven hours. The event, known as ...

Dec 8, 2025 in Astronomy & Space
Phys.org / Painting galaxy clusters by numbers (and physics)

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual galaxies and huge reservoirs of superheated, X-ray-emitting gas. The mass of this hot gas ...

Dec 10, 2025 in Astronomy & Space
Medical Xpress / Immune system's 'on-off' switch may hold answers for cancer and autoimmunity

A single signaling pathway controls whether immune cells attack or befriend cells they encounter while patrolling our bodies, researchers at Stanford Medicine have found. Manipulating this pathway could allow researchers ...

Phys.org / Global warming amplifies extreme day-to-day temperature swings, study shows

A new study has revealed that rapid, large-scale day-to-day temperature fluctuations have intensified amid global warming, representing a distinct climate hazard with impacts on human health. This growing volatility creates ...

Dec 10, 2025 in Earth
Phys.org / How emotions spread online following celebrity suicide news

Reshare cascades on X (formerly Twitter) show how different expressed emotions unfold in the aftermath of celebrity suicides, according to a study published in PLOS One by Ehsan Nouri of the University of Virginia, U.S., ...

Dec 10, 2025 in Other Sciences
Phys.org / Tropical cyclones and the carbon cycle: New insights from a model simulation

For the first time, scientists have resolved extremely intense tropical cyclones and their effect on the ocean carbon cycle in a global Earth system model. Using two category-4 hurricanes in the North Atlantic as examples, ...

Dec 10, 2025 in Earth
Medical Xpress / How the immune system stalls weight loss

Researchers at the University of California San Diego School of Medicine have uncovered a surprising new function for immune cells: preventing excess weight loss.

Dec 10, 2025 in Immunology
Phys.org / The rhythm of swarms: Tunable particles synchronize movement like living organisms

A collaboration between the University of Konstanz and Forschungszentrum Jülich has achieved the first fully tunable experimental realization of a long predicted "swarmalator" system. The study, published in Nature Communications, ...

Dec 10, 2025 in Physics
Phys.org / Westerlund 1: First evidence of particle outflow from a young massive star cluster

Star clusters are of great importance in any galaxy: they are the birthplace of new stars, often containing massive stars of 10 solar masses or more. Such massive stars often drive powerful winds; the combined action of all ...

Dec 10, 2025 in Astronomy & Space
Phys.org / Quantifying unknown quantum states: Study explores effectiveness of existing methods

Reliably quantifying and characterizing the quantum states of various systems is highly advantageous for both quantum physics research and the development of quantum technologies. Quantifying these states typically entails ...

Dec 8, 2025 in Physics
Phys.org / Modified bacterial transport system imports artificial amino acids for efficient designer protein creation

Researchers from ETH Zurich have succeeded in introducing large quantities of unnatural amino acids into bacteria, enabling the creation of innovative and highly efficient designer proteins. These can be used as more efficient ...

Dec 10, 2025 in Biology