Tau neutrinos are notoriously difficult to spot in detectors like IceCube. But researchers have managed to isolate 7 candidates.
New measurements from Japan’s Subaru telescope have helped researchers study the matter-antimatter asymmetry problem.
Javier Zayas Photography/Moment via Getty
The way particles interacted while the universe was forming seconds after the Big Bang could explain why the universe exists the way it does – a physicist explains matter-antimatter asymmetry.
The Milky Way, as seen with neutrino particles.
IceCube Collaboration / US National Science Foundation (Lily Le and Shawn Johnson) / ESO (S. Brunier)
New data from the IceCube collaboration shows neutrino emissions from within our Milky Way galaxy – but figuring out where exactly these ghost particles come from is harder than it seems.
IceCube Collaboration/Science Communication Lab for CRC 1491
The IceCube telescope near the South Pole has received a first glimpse into the core of the galaxy NGC 1068.
Experiments at the Large Hadron Collider in Europe, like the ATLAS calorimeter seen here, are providing more accurate measurements of fundamental particles.
Maximilien Brice
Physicists know a lot about the most fundamental properties of the universe, but they certainly don’t know everything. 2021 was a big year for physics – what was learned and what’s coming next?
When scientists created the Higgs particle with protons, they needed the 10km-wide Large Hadron Collider. A muon machine could achieve it with a diameter of just 200 metres.
The Crab Nebula is a remnant of a supernova, a source of neutrinos.
NASA, ESA, J. Hester and A. Loll (Arizona State University)
Astronomers are now able to detect a host of signals streaming through the universe. This newfound ability is like gaining new senses and it’s opening the door to understanding the cosmos.
A detector buried under more than a mile of ice in Antarctica has detected a high-energy subatomic neutrino and traced it to its origin, a blazar – a gargantuan black hole more than a billion times more massive than the sun.
Artist’s impression based on real picture of Icecube lab.
IceCube/NSF
A particle physicist explains just what this keystone theory includes. After 50 years, it’s the best we’ve got to answer what everything in the universe is made of and how it all holds together.
Galaxy cluster with dark matter denoted in blue.
Smithsonian Institution @ Flickr Commons
A new study challenges the established view of what dark matter is.
Looking up in the main chamber at SNOLAB’s facility in the Vale Creighton nickel mine in Sudbury, Ont., a giant spherical neutrino sensor array the size of a 10 storey building is used to detect subatomic particles that pass through the earth.
(Handout)
Deep beneath the Alpine ski slopes, patient scientists are waiting to observe a rare radioactive decay that would make us rewrite the Standard Model of Particle Physics.
Map of all matter – most of which is invisible dark matter – between Earth and the edge of the observable universe.
ESA/NASA/JPL-Caltech
Cosmologists are heading back to their chalkboards as the experiments designed to figure out what this unknown 84 percent of our universe actually is come up empty.