What is the answer to "Heat source since the Stone Age" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Heat source since the Stone Age" is FIRE (4 letters).

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Heat source since the Stone Age Newsday Crossword Clue

Across clue · from the August 26, 2026 puzzle

Stuck on “Heat source since the Stone Age” from the Newsday Crossword? Here is the verified answer:

Answer

FIRE

4 letters · Across · last seen August 26, 2026

Backyard storage structure4 Criterion: Abbr.3 Weed-chopping tool3 Historical period3 Supermarket cold-cuts area4 The Simpsons son4 Have a joyful attitude7 Hawaiian greetings6 Make angry4 Airport's ID checker8 Snakes that squeeze4 Sharp point on a ranch fence4