Phys.org news

Phys.org / Sunlight-driven nanoparticles enable cleaner ammonia synthesis at room temperature

Ammonia (NH3) is a colorless chemical compound comprised of nitrogen and hydrogen that is widely used in agriculture and in industrial settings. Among other things, it is used to produce fertilizers, as well as cleaning products ...

Dec 31, 2025 in Chemistry
Phys.org / Einstein Probe detects an X-ray flare from nearby star

Using the Einstein Probe (EP), astronomers have detected a new X-ray transient event, which turned out to be an X-ray flare from the star PM J23221-0301 located about 150 light years away. The finding was reported in a research ...

Dec 31, 2025 in Astronomy & Space
Phys.org / Climate policies can backfire by eroding 'green' values, study finds

A popular vision of life after climate action looks like vegetarians riding bikes, city centers without cars, and people foregoing air travel. But a new paper published in Nature Sustainability finds that climate policies ...

Dec 30, 2025 in Earth
Phys.org / Hunting for dark matter axions with a quantum-powered haloscope

Axions are hypothetical light particles that could solve two different physics problems, as they could explain why some nuclear interactions don't violate time symmetry and are also promising dark matter candidates. Dark ...

Dec 30, 2025 in Physics
Phys.org / Most sensitive radio observations to date find no evidence of technosignature from 3I/ATLAS

Since the interstellar object (ISO) 3I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it may somehow contain evidence of technologically advanced civilizations ...

Dec 30, 2025 in Astronomy & Space
Phys.org / 2025 was one of three hottest years on record, scientists say

Climate change worsened by human behavior made 2025 one of the three hottest years on record, scientists said.

Dec 30, 2025 in Earth
Phys.org / Scientists have uncovered evidence of Ireland's largest prehistoric hillfort settlement

In a recent study published in Antiquity, Dr. Dirk Brandherm and his colleagues identified more than 600 suspected house platforms in the Brusselstown Ring hillfort, making it the largest nucleated settlement ever discovered ...

Dec 30, 2025 in Other Sciences
Phys.org / ASKAP discovers a spectacular outflow in a nearby galaxy

Using the Australian Square Kilometer Array Pathfinder (ASKAP), an international team of astronomers has discovered a spectacular bipolar outflow from the disk of a nearby galaxy known as ESO 130-G012. The finding was reported ...

Dec 30, 2025 in Astronomy & Space
Phys.org / Mathematicians crack cellular noise puzzle, paving path for better cancer treatment

Why does cancer sometimes recur even after successful treatment, or why do some bacteria survive despite the use of powerful antibiotics? One of the key culprits identified is "biological noise"—random fluctuations occurring ...

Dec 30, 2025 in Biology
Phys.org / NASA's Chandra rings in the new year with the Champagne Cluster

Celebrate the New Year with the "Champagne Cluster," a galaxy cluster seen in this new image from NASA's Chandra X-ray Observatory and optical telescopes.

Dec 30, 2025 in Astronomy & Space
Phys.org / AI model uses social media posts to predict unemployment rates ahead of official data

Social media posts about unemployment can predict official jobless claims up to two weeks before government data is released, according to a study. Unemployment can be tough, and people often post about it online.

Dec 30, 2025 in Other Sciences
Phys.org / Encoding adaptive intelligence in molecular matter by design

For more than 50 years, scientists have sought alternatives to silicon for building molecular electronics. The vision was elegant; the reality proved far more complex. Within a device, molecules behave not as orderly textbook ...

Dec 30, 2025 in Nanotechnology