Add Yahoo as a preferred source to see more of our stories on Google. Suzanne Marshall / Moment via Getty Images Cats communicate in a variety of ways, including purrs, meows, and hisses, in addition ...

This wasn’t always a mystery. If you had the misfortune of being a human being more than 10,000 years ago, there’s a decent chance you were intimately aware of what a saber-tooth cat sounded like.

If you’ve been to the Denver Museum of Nature and Science, you’ve probably heard the mighty roar of its saber-toothed cat. It’s worked the same way for more than four decades: Grab some spare change, ...

Getting your Trinity Audio player ready... If you’ve been to the Denver Museum of Nature and Science, you’ve probably heard the mighty roar of its saber-toothed cat. It’s worked the same way for more ...

DENVER — If you've been to the Denver Museum of Nature and Science, you've probably heard the mighty roar of its saber-toothed cat. It's worked the same way for more than four decades: Grab some spare ...