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IceCube Neutrino Observatory

@icecube.wisc.edu.web.brid.gy

The IceCube Neutrino Observatory is an array of optical sensors located in Antarctic ice that detects the presence of subatomic particles called neutrinos […] [bridged from https://icecube.wisc.edu/ on the web: https://fed.brid.gy/web/icecube.wisc.edu ]

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Latest posts by icecube.wisc.edu.web.brid.gy on Bluesky

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Upgrade Update #5 The IceCube Upgrade project’s progress report for last week has earned the name, as “progress” smoothly continues. The drill camp now has two tower operations sites. One will serve as the installation practice site. The image above is a view looking down from one of the towers, with the wrapped-up drill supply hose reel centered [...] Read More »
01.12.2025 17:45 — 👍 0    🔁 0    💬 0    📌 0
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Week 46 at the Pole IceCube’s new winterovers Alicia and Camille had an active week at the Pole. They wrapped up some computer maintenance and firmware upgrades to servers at the IceCube Lab and at the South Pole station. Snowmobile training was also on the agenda for one of them. Last week’s weather saw not only drastic changes in temperature [...] Read More »
28.11.2025 15:30 — 👍 0    🔁 0    💬 0    📌 0
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Upgrade Update #4 Last week’s excitement for the IceCube Upgrade project centered around moving the drill tower and operations structures into place. The location is over hole 87, which will be the first Upgrade hole (the IceCube detector has 86 holes). The installation team is also making progress on setting up the area for acceptance testing of the [...] Read More »
24.11.2025 15:45 — 👍 0    🔁 0    💬 0    📌 0
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Week 45 at the Pole In with the old, out with the new. [Wait a minute, strike that, reverse it.] …It’s in with the new! Yes, it’s that time of year again—the changing of the (IceCube winterover) guard. Newcomers Camille Parisel and Alicia Fattorini stood for a photo with outgoing winterovers Ilya Bodo and Joe Baines-Holmes. They had just finished [...] Read More »
21.11.2025 14:30 — 👍 0    🔁 0    💬 0    📌 0
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Upgrade Update #3 As the season progresses, the IceCube Upgrade team continues to grow. Eight more arrivals last week brought the South Pole IceCube population up to 29. As newcomers acclimated, the “old-timers” kept up with the snow grooming around drill camp—things are looking good there. They continue to shovel out other structures and have been “harvesting” hoses, [...] Read More »
17.11.2025 21:00 — 👍 0    🔁 0    💬 0    📌 0
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Meet IceCube’s 2025-2026 winterovers, Alicia and Camille! The time has come for our current winterovers, Ilya and Joe, to pass the torch to the new winterovers that arrived at the South Pole last week. As a winterover, individuals brave the unforgiving environment to spend a year—sometimes longer—at the South Pole, half of which is enveloped in complete darkness. Every year, two winterovers [...] Read More »
17.11.2025 16:09 — 👍 0    🔁 0    💬 0    📌 0
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Riya Shah Seeing my work be helpful to such a wide variety of researchers makes me happy and excited to continue doing good research! Read More »
17.11.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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Download IceCube’s 2026 calendar! It’s almost the new year, which means it’s time for the 2026 IceCube Calendar! Featuring breathtaking photos taken by our winterovers from the past few years, this calendar will teach you something new about the IceCube Neutrino Observatory and the South Pole every month. The calendar is available to download in three different sizes in either [...] Read More »
14.11.2025 15:21 — 👍 0    🔁 0    💬 0    📌 0
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IceCube search for a correlation between galaxies and neutrinos The IceCube Neutrino Observatory, embedded in a cubic kilometer of Antarctic ice, searches for weakly interacting particles called neutrinos that are able to travel undisturbed through the cosmos. Of interest are high-energy astrophysical neutrinos that can arise from cosmic ray interactions with matter or photons in astrophysical sources. So far, high-energy neutrino emission has been [...] Read More »
14.11.2025 13:19 — 👍 0    🔁 0    💬 0    📌 0
IceCube Upgrade – Final Field Season Here’s a glimpse into the background, the preparations, and the current activity at the South Pole during the final field season for the IceCube Upgrade. [...] Read More »
13.11.2025 22:20 — 👍 0    🔁 0    💬 0    📌 0
IceCube search for a correlation between galaxies and neutrinos The IceCube Neutrino Observatory, embedded in a cubic kilometer of Antarctic ice, searches for weakly interacting particles called neutrinos that are able to travel undisturbed through the cosmos. Of interest are high-energy astrophysical neutrinos that can arise from cosmic ray interactions with matter or photons in astrophysical sources. So far, high-energy neutrino emission has been [...] Read More »
13.11.2025 18:50 — 👍 0    🔁 0    💬 0    📌 0
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Week 44 at the Pole When it rains, it pours—five planes arrived last week at the Pole. The South Pole station population tripled, and many of the new arrivals were IceCubers. The two new winterovers for the upcoming season, Camille and Alicia, were warmly welcomed out on the ice by the outgoing winterovers, Joe and Ilya, with a fancy, cardboard [...] Read More »
12.11.2025 20:30 — 👍 0    🔁 0    💬 0    📌 0
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Search for dark matter from the center of the Milky Way Despite making up roughly 85% of all matter in the universe, the fundamental nature of dark matter (DM) still eludes scientists. Thus far, no experiment has been able to determine what dark matter is made of. One way scientists are probing for DM is by looking at the production of ordinary particles when two DM [...] Read More »
12.11.2025 19:16 — 👍 0    🔁 0    💬 0    📌 0
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Upgrade Update #2 After the first group of IceCubers spent a couple of days acclimating and reviewing the work needed to get the drill camp up and running, the crew went straight to work. The first order of business? Shoveling. And lots of it. They managed to shovel out most of the buildings in the drill camp. The [...] Read More »
11.11.2025 19:32 — 👍 0    🔁 0    💬 0    📌 0
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Week 43 at the Pole The first flight bringing summer crew to the South Pole finally arrived. It was a Basler plane, which brought 12 arrivals but left with three of the winterovering crew. IceCube’s current winterovers Joe and Ilya are still at the Pole, waiting for their replacements to arrive. Even with the first arrivals, the week was relatively [...] Read More »
05.11.2025 18:44 — 👍 0    🔁 0    💬 0    📌 0
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Upgrade Update #1 The first week of the final field season for the IceCube Upgrade started out with delays. Figures. Of course, even though that’s not what you hope for, uncooperative weather at the South Pole is a fact of life, something to deal with in stride. The first group of IceCubers for the Upgrade season had to [...] Read More »
05.11.2025 18:43 — 👍 0    🔁 0    💬 0    📌 0
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Week 42 at the Pole Things were quieter at the Pole last week than they might have been. Uncooperative weather delayed the opening flight of the season, so the new people they had been expecting didn’t show up. But there were more transitioning flights, like the previous week, one of which delivered the first fresh produce the winterovers have seen [...] Read More »
31.10.2025 16:21 — 👍 0    🔁 0    💬 0    📌 0
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Week 41 at the Pole Someone has to be first. This season, the first plane to arrive at the South Pole was the Basler plane shown above (and below), which was just stopping through on its way from Rothera Station to McMurdo. A small Twin Otter also landed at the Pole last week, another flight en route to McMurdo. Soon [...] Read More »
27.10.2025 16:45 — 👍 0    🔁 0    💬 0    📌 0
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Perri Zilberman I love being able to work on particle astrophysics as a part of such an amazing collaboration! Read More »
27.10.2025 15:00 — 👍 0    🔁 0    💬 0    📌 0
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IceCube meets in Salt Lake City for its fall 2025 collaboration meeting Earlier this month, more than 150 participants took part in the fall IceCube Collaboration meeting in Salt Lake City, Utah. The meeting was hosted by the University of Utah at the L.S. Skaggs Applied Science Building on campus. The official meeting kicked off with opening remarks from University of Utah physics and astronomy department chair [...] Read More »
21.10.2025 18:43 — 👍 0    🔁 0    💬 0    📌 0
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Week 40 at the Pole The summer season personnel have not yet begun arriving at the Pole, but the winterover crew needs some time to get ready for them, so preparations are underway. There are lots of things to do, one of which of course is snow removal. Above we see the IceCube Lab (clearly now…thanks, Sun!) with lots of [...] Read More »
17.10.2025 14:47 — 👍 0    🔁 0    💬 0    📌 0
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“Messengers,” documentary film featuring IceCube, screening this fall “Messengers,” an immersive documentary featuring IceCube, is now playing internationally across a series of film festivals this fall. The new film by Canadian director Jeffrey Zablotny features the South Pole neutrino experiment as part of a surreal, poetic exploration of three groundbreaking particle physics experiments across the world. From a sealed laboratory carved into a [...] Read More »
16.10.2025 16:58 — 👍 0    🔁 0    💬 0    📌 0
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Evidence for neutrino emission from X-ray-emitting galaxies In 2022, the IceCube Neutrino Observatory at the South Pole announced evidence for high-energy neutrinos spewing from the “nearby” active galaxy NGC 1068. One of the brightest X-ray sources in the universe, NGC 1068 is an active galactic nucleus (AGN) with a central, supermassive black hole that actively gobbles up surrounding matter. X-rays shine brightly [...] Read More »
16.10.2025 15:01 — 👍 0    🔁 0    💬 0    📌 0
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Exploring the universe through a new astrophysics video game “Project Hercules” is the latest educational video game from Field Day, an award-winning game design studio based at the Wisconsin Center for Education Research within the School of Education at the University of Wisconsin–Madison. Developed in collaboration with the Wisconsin IceCube Particle Astrophysics Center (WIPAC), the Wisconsin Department of Public Instruction, and a network of [...] Read More »
14.10.2025 18:17 — 👍 0    🔁 0    💬 0    📌 0
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Week 39 at the Pole The sun is up, but it’s still quite low on the horizon. When you face the sun, as in the image above looking at the South Pole Telescope, all of the surroundings are still dark and in shadow. Face away, as in the image below of the IceCube Upgrade drill camp, and all is clear [...] Read More »
10.10.2025 15:50 — 👍 0    🔁 0    💬 0    📌 0
PhD theses granted – Summer 2025 We would like to congratulate the following PhD graduates who successfully defended their theses in the summer of 2025: Kathrine Mørch Groth David Guevel Christoph Günther Yarno Merckx Julian Saffer Shefali Shefali Jessie Thwaites [...] Read More »
06.10.2025 13:03 — 👍 0    🔁 0    💬 0    📌 0
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Week 38 at the Pole Antarctica has sometimes been referred to as the end of the world. But for those who live at the South Pole, there’s a specific place known as the “End of the World.” It’s what they call the area past the storage berms out on the ice. Snow removed from around buildings is often dumped there [...] Read More »
03.10.2025 15:00 — 👍 0    🔁 0    💬 0    📌 0
Search for high-energy neutrinos from the Sun using ten years of IceCube data Introduction This data release accompanies IceCube’s recent search for high-energy neutrinos from the Sun with 10 years of IceCube and DeepCore data. This analysis set world-leading limits on dark matter scattering and solar atmospheric neutrinos. For further details, refer to the IceCube publication:“Search for high-energy neutrinos from the Sun using ten years of IceCube data,” [...] Read More »
29.09.2025 17:28 — 👍 0    🔁 0    💬 0    📌 0
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Paras Koundal Surround yourself with people who are kind and helpful. Read More »
29.09.2025 15:03 — 👍 0    🔁 0    💬 0    📌 0
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Week 37 at the Pole Yes, the sun has officically risen at the Pole. But it happened at the very end of the week, so we may have to wait a bit for an actual sunrise photo (or go back one or two weeks for something close). Last week was busy with several sunrise-related activities. IceCube’s winterovers were out cleaning [...] Read More »
26.09.2025 18:30 — 👍 0    🔁 0    💬 0    📌 0