We don't know exactly when the first animals on Earth appeared, but it's thought to be around 700 million years ago. Around ...

Can you guess the animal based on its close-up? Let's put your animal knowledge to the test. Take our quiz and see if you can identify the scaly critters and furry mammals featured in our close-up ...

You wanted more quizzes, and we’ve delivered! Now you can test your wits every day of the week. Each weekday, your host, Ray Hamel, concocts a challenging set of unique questions on a specific topic.

“Glitch: The Rise & Fall of HQ Trivia” premieres on CNN at 9 p.m. on Sunday. The documentary explores the trivia app’s explosion into the pop culture scene in 2017 and subsequent fall from grace a ...