Cosmic Rays: 100 years of mystery

Using data from the IceCube Neutrino Observatory, astrophysicists Nathan Whitehorn and Pete Redl searched for neutrinos coming from the direction of known GRBs. And they found nothing.

Their result, appearing today in the journal Nature, challenges one of the two leading theories for the origin of the highest energy cosmic rays. […]

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IceCube Scientist M. Krasberg wins UW-Madison Cool Science Image

Public interest in penguins recently provided IceCube researcher Mark Krasberg of the University of Wisconsin-Madison with an edge in the UW-Madison Cool Science Contest where he won an award for his photo of an emperor penguin leaping out of the water.

We sat down with Mark to ask him where he got the image and to find out what he does. […]

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