The act of discovering something new—finding facts, objects, or phenomena through research, exploration, or by chance.
新しい星が望遠鏡で発見された。
A new star was discovered with a telescope.
彼は図書館で古い地図を発見した。
He found an old map in the library.
研究の過程で重要な手掛かりが発見された。
An important clue was found during the research process.