“Proposed cosmological phenomenon that could make up 70% of the universe — and six squares in this puzzle's grid?” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.DARKENERGY is the answer to the New York Times crossword clue “Proposed cosmological phenomenon that could make up 70% of the universe — and six squares in this puzzle's grid?”. It was last seen in the puzzle of July 23, 2026, where it runs at 62 Across and fills 10 squares. It crosses 10 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.