Featured Research Articles
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Hunting Dark Matter with Atom Gradiometers
Dark matter is one of the deepest mysteries in fundamental physics. While the existence of dark matter has been robustly established over the past decades through a combination of astronomical (e.g. the rotation of galaxies, the Bullet Cluster) and cosmological (e.g. anisotropies in the cosmic microwave background) observations, we still do not know what it is made of.
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Whispers of the Stars: The Tale of ²³Na and Elusive Axions
In the crushing heat and density of stellar interiors, ordinary matter behaves in extraordinary ways, and, if some bold ideas in theoretical physics are correct, stars may also be producing entirely new kinds of particles: axions and axion-like particles, or ALPs.
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The Secret Life of Neutrinos
Neutrinos are cosmic tricksters, paradoxically hardly there but lethal to stars significantly more massive than the sun.
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UC Berkeley Undergrads Use Machine Learning — and Sharp Eyes — to Discover a New Asteroid
The Undergraduate Lab at Berkeley (ULAB) Physics and Astronomy Lab is a student-initiated, student-led program, sponsored by N3AS. ULAB researchers Supash Bhat, Gigi Flores, Alexandra Lu, Michelle Duan, Olivia Wagner, […]
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Lepton Number Violating Neutrino Self-Interactions Heat Up proto-Neutron Stars
Neutrinos are the most intriguing particles whose masses point to the existence of new physics. They rarely interact; therefore, they can directly probe the most extreme environments and provide insights [...]