An overview of the main research areas, the most important results and current scientific problems of millimeter and submillimeter astronomy is presented. The prospects for the development of this area in the world and in the Russian Federation are discussed.

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Keywords: millimeter and submillimeter astronomy, radio telescopes, radio interferometers, atmospheric transparency PACS: 95.55.Jz, 98.58.−w, 98.70.Vc (all) DOI: 10.3367/UFNe.2025.03.039996 URL: https://ufn.ru/en/articles/2026/3/g/ Citation: Zinchenko I I "Current tasks and prospects of millimeter and submillimeter astronomy" Phys. Usp. 69 (3) (2026) Received: 26th, July 2025, accepted: 19th, March 2025 Оригинал: Зинченко И И «Актуальные задачи и перспективы миллиметровой и субмиллиметровой астрономии» УФН 196 290–301 (2026); DOI: 10.3367/UFNr.2025.03.039996