Tag Archive for 'IceCube'

ANITA was placed in Antarctica because there is little chance of interference from other signals; to capture the emission signals, the balloon-borne radio detector is sent to fly over stretches of ice, capturing what are called ice showers. Image credit: Stephanie Wissel / Penn State.

Two Anomalous Radio Signals Detected Coming from Antarctic Ice

Jun 13, 2025 by News Staff

The unusual radio pulses were detected by the Antarctic Impulsive Transient Antenna (ANITA) experiment, a range of instruments flown on NASA balloons high...

An artist’s composition of the Milky Way seen through a neutrino lens (blue). Image credit: IceCube / NSF / Lily Le / Shawn Johnson / ESO / S. Brunier.

IceCube Detects High-Energy Neutrino Emission from Milky Way’s Galactic Plane

Jun 30, 2023 by News Staff

Observations of high-energy astrophysical neutrinos have shown that they mostly originate from extragalactic sources such as active galaxies. However,...

NASA’s Fermi Gamma-ray Space Telescope (top left) and the IceCube Neutrino Observatory (sensor strings, bottom). Image credit: NASA / Fermi / Aurore Simonnet, Sonoma State University.

Could Quantum Properties of Spacetime Slow Down Neutrinos?

Jun 13, 2023 by Enrico de Lazaro

Using data from NASA’s Fermi Gamma-ray Space Telescope and the IceCube Neutrino Observatory, astrophysicists have found preliminary evidence for gamma-ray...

This image shows the barred spiral galaxy Messier 77, which lies in the constellation Cetus, about 62 million light-years away. Image credit: ESO.

IceCube Observatory Detects High-Energy Neutrinos from Messier 77

Nov 6, 2022 by News Staff

Messier 77, also known as NGC 1068, LEDA 10266 and Cetus A, is a barred spiral galaxy in the constellation of Cetus. This image shows the barred spiral...

An artist’s illustration of neutrinos originating from a high-energy blazar. Image credit: Benjamin Amend, Clemson University.

High-Energy Astrophysical Neutrinos are Coming from Blazars: Study

Jul 14, 2022 by Natali Anderson

Neutrinos are the most elusive particles in the Universe, capable of traveling nearly unimpeded across it. Despite the vast amount of data collected, a...

A visualization of the Glashow resonance event detected by IceCube. Image credit: IceCube Collaboration.

High-Energy Antineutrino Detection Supports 60-Year-Old Theory

Mar 11, 2021 by News Staff

On December 6, 2016, a high-energy particle called an electron antineutrino hurtled to Earth from outer space at close to the speed of light carrying 6.3...

A view of the accretion disk around the supermassive black hole, with jet-like structures flowing away from the disk. The extreme mass of the black hole bends spacetime, allowing the far side of the accretion disc to be seen as an image above and below the black hole. Image credit: Science Communication Lab, DESY.

Astrophysicists Detect High-Energy Neutrino from Tidal Disruption Event

Feb 24, 2021 by News Staff

The majority of supermassive black holes lie dormant and starved of fuel; these hidden giants can be temporarily illuminated when an unlucky star passes...

High-Energy IceCube Neutrino Generated by Cosmic Collision within Distant Active Galaxy

Oct 3, 2019 by News Staff

IceCube 170922A, a high-energy neutrino detected by the IceCube Neutrino Observatory in 2017, was generated by a jet-jet collision within TXS 0506+056,...

An artist’s impression of a blazar. Image credit: DESY / Science Communication Lab.

Astronomers Pinpoint Source of High-Energy Neutrinos for First Time

Jul 13, 2018 by News Staff

A large multinational team of astronomers has found the first evidence of a source of super-energetic neutrino particles: a distant blazar — the...

This image shows a visual representation of one of the highest-energy neutrino detections superimposed on a view of the IceCube Observatory at the South Pole. Image credit: IceCube Collaboration.

Earth Can Absorb High-Energy Neutrinos, Physicists Find

Nov 23, 2017 by News Staff

Neutrinos are subatomic particles that are famous for passing through anything and everything. Now, physicists have demonstrated that our planet stops...

A graphic of one of the highest-energy neutrino events is superimposed on a view of the IceCube Neutrino Observatiory at NSF’s Amundsen-Scott South Pole Station. Image credit: IceCube Collaboration.

IceCube Confirms Observation of Astrophysical Muon Neutrinos

Aug 21, 2015 by News Staff

Physicists using the IceCube Neutrino Observatory – a cubic-kilometer-sized detector sunk into the ice sheet at the South Pole – have announced...

IceCube Detects High-Energy Neutrinos from Outside Solar System

Nov 22, 2013 by Enrico de Lazaro

Physicists using the IceCube Neutrino Observatory at the South Pole have detected for the first time mysterious, high-energy neutrinos that originate outside...

The two observed events from August 2011, left, and January 2012, right. Each sphere represents a digital optical module; colors represent the arrival times of the photons where red indicates early and blue late times; the size of the spheres is a measure for the recorded number of photoelectrons (IceCube Collaboration)

IceCube Physicists Detect Two Record-Breaking Neutrinos

May 7, 2013 by Sergio Prostak

According to a new study submitted for publication in Physical Review Letters (arXiv.org version), two rare events observed in 2011 and 2012 by the IceCube...

IceCube Explores Origin of Cosmic Rays

Apr 19, 2012 by James Freeman

A team of the IceCube Neutrino Observatory, a high-energy neutrino detector at the geographical South Pole in Antarctica, has reported results of a search...