Nobel physics prize hails 'ghostly messengers' from space

Belgian physicist Francis Halzen on Tuesday won the Nobel Physics prize for groundbreaking work using Antarctic ice to capture particles originating in the distant cosmos, providing insight into the far reaches of space. "This year's prize is about ghostly messengers from space," Ellen Moons, secretary general of the Royal Swedish Academy of Sciences, told a news conference. Halzen was honoured "for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutr