University of Wisconsin-Madison

IceCube Neutrinos Point to Long-Sought Cosmic Ray Accelerator

In two papers published today in Science, IceCube together with partner telescopes and observatories on Earth and in space announced the identification of blazar TXS 0506+056 as the first likely source of high-energy neutrinos and cosmic rays.


Multimessenger searches for astrophysical sources

Last year was an extraordinary year for multimessenger astrophysics. In August 2017, a gravitational wave and its electromagnetic counterpart emission were detected from a pair of inspiraling neutron stars.


The Sun’s Cosmic-Ray Shadow

During the daylight season at the South Pole, as the Sun moves in circles above the horizon, IceCube can track the Sun’s position by the decrease in the number of high-energy particles that reach the detector from its direction.


Week 44 at the Pole

And then there were four. Last week saw the arrival of IceCube’s two new winterovers, Kathrin and Benjamin, joining departing winterovers Raffaela and Johannes before they leave the Pole.