Cosmic rays & astroparticles is a research area focused on high-energy particles of extraterrestrial origin and their role in fundamental physics and astrophysics. It encompasses experimental and theoretical studies of primary cosmic rays (protons, nuclei, electrons), secondary air-shower particles, gamma rays, neutrinos, and other non-photonic messengers that probe extreme environments such as supernova remnants, active galactic nuclei, and compact objects. The field integrates particle detection techniques, high-energy astrophysics, plasma and magnetic field modeling, and multi-messenger observations to investigate particle acceleration mechanisms, propagation in interstellar and intergalactic media, and potential signatures of new physics beyond the Standard Model.
Australian researchers have played a central role in a landmark result from the LUX-ZEPLIN (LZ) experiment in South Dakota—the world's most sensitive dark matter detector. Today, scientists working on the experiment report ...
General Physics
Dec 15, 2025
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A new type of sensor that levitates dozens of glass microparticles could revolutionize the accuracy and efficiency of sensing, laying the foundation for better autonomous vehicles, navigation and even the detection of dark ...
General Physics
Dec 2, 2025
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The first step on the moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips—and dreaming of Mars beyond.
Space Exploration
Dec 2, 2025
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Cosmic rays are high-energy particles that constantly bombard Earth from space and are influenced by the sun's magnetic activity. When the sun is active, fewer of these particles reach Earth; when the sun is quiet, more are ...
Planetary Sciences
Nov 20, 2025
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Beryllium-7 is a radioactive isotope of beryllium produced by cosmic rays in the atmosphere. A Japanese research team has explored, over space and time, how the beryllium-7 is transported from the atmosphere to Earth's surface. ...
Earth Sciences
Nov 18, 2025
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Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease in cosmic rays above ...
Astronomy
Nov 16, 2025
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If we take out all the matter, neutrinos, dark matter, cosmic rays, and radiation from the deepest parts of the voids, the only thing left is empty space. I know it sounds like a paradox, but the voids are full of the vacuum ...
Astronomy
Nov 5, 2025
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Using the MeerKAT telescope, an international team of astronomers have detected 30 new radio transient pulsars as part of the Meer(more) TRAnsients and Pulsars (MeerTRAP) project. The discovery was reported in a paper published ...
The origins of extremely high-energy particles that fill the universe—such as protons, electrons, and neutrinos—remain one of the longest-standing mysteries in modern astrophysics. A leading hypothesis suggests that "explosive ...
Astronomy
Oct 24, 2025
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In their search for dark matter, scientists from the XENON Collaboration are using one of the world's most sensitive dark matter detectors, XENONnT at the Gran Sasso Laboratory of the National Institute of Nuclear Physics ...
General Physics
Oct 1, 2025
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