Francis Halzen has won the 2026 Nobel Prize in Physics for his work on neutrinos, the so-called 'ghost particles', including his leadership of the IceCube Neutrino Observatory in Antarctica.
Key facts
- Francis Halzen won the 2026 Nobel Prize in Physics.
- The award recognises his work on neutrinos, often called 'ghost particles'.
- Halzen led development of the IceCube Neutrino Observatory, according to Ars Technica.
- The Antarctic observatory tracks neutrinos arriving from deep space, according to Al Jazeera.
- Halzen is based at the University of Wisconsin-Madison, according to Ars Technica.
Physicist Francis Halzen has been awarded the 2026 Nobel Prize in Physics for his work on neutrinos, the particles often described as ‘ghost particles’.
According to Al Jazeera, Halzen worked to build an Antarctic observatory designed to track neutrinos from deep space.
Ars Technica reports that Halzen, of the University of Wisconsin-Madison, led the development of the IceCube Neutrino Observatory.
Al Jazeera describes Halzen as a Belgian physicist. The sources do not provide further detail on the scientific basis for the award beyond his role in the IceCube project.
Why it matters
The Nobel Prize in Physics is one of the most prominent honours in science. The award recognises Halzen's role in building the IceCube Neutrino Observatory, according to the cited reporting.
Frequently asked questions
Who won the 2026 Nobel Prize in Physics?
Francis Halzen, a physicist based at the University of Wisconsin-Madison, won the 2026 Nobel Prize in Physics, according to the sources.
What are 'ghost particles'?
'Ghost particles' is a nickname for neutrinos, the particles Halzen studied. The sources note his work tracked neutrinos arriving from deep space.
What is the IceCube Neutrino Observatory?
According to Ars Technica, Francis Halzen led the development of the IceCube Neutrino Observatory, an Antarctic facility that, per Al Jazeera, tracks neutrinos from deep space.