ANIMATION Radioactive molecules are sensitive to subtle nuclear phenomena and might help physicists probe the violation of the most fundamental symmetries of nature. Imagine a dust particle in a storm cloud, and you can get an idea of a neutron’s insignificance compared to the magnitude of the molecule it inhabits. […]

An artist’s depiction of a neutron star merger. These mergers produce heavy elements like gold and platinum in abundance. Credit: Sonoma State University/A. Simonnet Nucleosynthesis is the creation of new atomic nuclei, the centers of atoms that are made up of protons and neutrons. Nucleosynthesis first occurred within a few […]

MIT scientists have cooled a 10-kilogram object to a near standstill, using LIGO’s precise measurements of its 40-kilogram mirrors. Shown here are LIGO optics technicians examining one of LIGO’s mirrors. Credit: Caltech/MIT/LIGO Lab The results open possibilities for studying gravity’s effects on relatively large objects in quantum states. To the […]

ANIMATION “Sterile neutrinos” are theoretically predicted new particles that offer an intriguing possibility in the quest for understanding the dark matter in our universe. Unlike the known “active” neutrinos in the Standard Model (SM) of particle physics, these sterile neutrinos do not interact with normal matter as they move through space, making them very difficult to […]

Dark Matter Particle Explorer. Credit: DAMPE Collaboration Dark Matter Particle Explorer (DAMPE) Collaboration directly observed a spectral softening of helium nuclei at about 34TeV for the first time. This work was based on measurements data of the helium spectrum with kinetic energies from 70 GeV to 80 TeV (17.5 GeV/n […]

A train of short proton bunches travels through the plasma field, forming a wave on which electrons can be accelerated. Credit: AWAKE Important milestone for next-generation acceleration experiment. The future of particle acceleration has begun. Awake is a promising concept for a completely new method with which particles can be […]

The centerpiece of the Muon g-2 experiment at Fermilab is a 50-foot-diameter superconducting magnetic storage ring, which sits in its detector hall amidst electronics racks, the muon beamline and other equipment. Credit: Reidar Hahn, Fermilab In 2001 at the Brookhaven National Laboratory in Upton, New York, a facility used for […]

In the recent past, space missions dedicated to the study of astrophysical signals in the high-energy spectrum revealed a series of enigmatic excesses not predicted by the theoretical models. In order to find an explanation for these anomalies, many solutions have been proposed. The most exciting hypothesis invokes the contribution […]

Heart of darkness: A view of the accretion disc around the supermassive black hole, with jet-like structures flowing away from the disc. 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 […]