A black moon is a rare occurrence. The next Black Moon will occur on Aug. 23, 2025. This is considered a Black Moon under the definition of the third new moon in a season of four new moons.

Black rice is that rare trifecta of delicious, healthy, and aesthetically pleasing. This dark-colored rice, which is a deep purple-black, has alternate names including purple rice, forbidden rice ...

College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China College of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of ...