The DarkSide-50 experiment reports the first search for ultraheavy dark matter using a liquid argon detector, analyzing 532 days of data to set exclusion limits on dark matter-nucleon scattering cross sections. Unlike conventional weakly interacting massive particles, ultraheavy dark matter candidates scatter multiple times while traversing the detector, requiring specialized analysis techniques.
A paper presents Scalar Chrono-Resonance Theory, which proposes a modified gravitational model incorporating a scale-modulation function to explain flat galactic rotation curves without dark matter. The theory is tested against NGC 3198 rotation data and includes three falsifiable predictions involving atomic clocks, galactic dynamics, and gravitational wave dispersion.
The LUX–ZEPLIN (LZ) Experiment is a dark matter detection collaboration searching for weakly interacting massive particles (WIMPs) using a 7-tonne liquid xenon detector located 1,500 metres underground in South Dakota. As of December 2025, LZ has found no evidence of WIMPs above 9 GeV/c², though in September 2026 the collaboration announced a single high-energy event from 2023 with 2-3σ significance requiring further analysis to confirm validity.