New analysis suggests Webb’s little red dots are young black holes hidden in thick gas, with masses far smaller than first thought.

Defect-filled lead-halide perovskites rival silicon solar cells because domain walls inside the material separate and guide charges. Researchers visualized these charge-transport networks using a ...

Einstein–Rosen bridges may reflect a two-directional structure of time that preserves information and hints at a pre–Big Bang universe.

Hydrogen fuel is a promising alternative to fossil fuels that only emits water vapor when used and could thus help to lower ...