The Belgian particle physicist helped build an observatory deep in the Antarctic ice.

Francis Halzen won the Nobel Prize in physics on Tuesday for his efforts to demystify a rare group of neutrinos, tiny cosmic particles.

Belgium-born scientist Francis Halzen awarded prize for pioneering work on how to detect neutrinos in a giant ice cube

A UW-Madison professor received the Nobel Prize in Physics for his work with neutrinos, particles that help us understand black holes. An Antarctic telescope, which he led, helped with a key discovery.