Temperatures above 15C ‘very strange’ say scientists, as snow melts and rain falls on glaciers in usually frozen region

The first blinded search by the XENON-nT Collaboration using low-energy ionization signals places new constraints on hypothetical sub-keV dark matter.

Fysikum congratulates our PhD student Kasturie Dileep Jatkar, who successfully defended her thesis: ‘Phase-corrected time-domain terahertz spectroscopy in reflection geometry’ on 15 April 2025.

Fysikum congratulates our PhD student Sambit Kumar, who successfully defended his thesis: “Molecular Transients in Photoactive Heterocyclic Systems” on April 11, 2025.

An order by Defense Secretary Pete Hegseth’s office resulted in a purge of books critical of racism but preserved volumes defending white power.

Fysikum congratulates our PhD student Vasilieios Fragakis, who successfully defended his thesis: ”Quantum and Classical Perspectives on Dark Matter and Gravity” on March 21, 2025.

Axions are well-motivated dark matter particles. Many experiments are looking for their experimental evidence. For haloscopes, the problem reduces to the identification of a peak above a noisy baselin...

Gerhart Baum, Köln, en av de främsta liberala politikerna i Tyskland efter andra världskriget har avlidit i en ålder av 92 år.

France’s research minister said the scientist was traveling to Houston for a conference when his phone was searched