During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human skull. Its eerie, high-pitched scream is not just a product of its unique ...

PORTLAND, Ore. – A “whistling sound” was heard on a previous flight of the Boeing 737 Max 9 whose door plug blew out during an Alaska Airlines flight last month, an attorney representing passengers in ...

A discovery that may someday help measure how clouds and earthquakes change Earth’s rotation has come from an experiment that made friction-free helium whistle. A discovery that may someday help ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PORTLAND, Ore. (AP) — A “whistling sound” ...