First field season for IceCube Upgrade ongoing at the South Pole
A view of the seasonal equipment site from the first field season for the IceCube Upgrade. Image: Kurt Studt, IceCube/NSF
Jim Madsen retires after 25 years with neutrinos
Jim Madsen, interim director of the Wisconsin IceCube Particle Astrophysics Center (WIPAC) at the University of Wisconsin–Madison and associate director for education and outreach for the IceCube Neutrino Observatory, recently announced that he was retiring after 25 years with IceCube and its predecessor AMANDA. His last day in the office [...]
Searching for neutrinos from radio-bright active galactic nuclei
Active galactic nuclei (AGNs) are leading candidates for the sources of high-energy astrophysical neutrinos—tiny, nearly massless particles—detected by the IceCube Neutrino Observatory at the South Pole. This is demonstrated by the real-time multimessenger detection of the blazar TXS 0506+056 and recent evidence of neutrino emission from NGC 1068 from a [...]
Week 34 at the Pole
It’s that time of year again, when the sun rises at the South Pole. That’s right, time of year, singular, since the sun rises just one time over the course of a year. And it happens ever so slowly. They’re in a period of twilight these days—nautical twilight, to be [...]