Are you an objectivist or a nihilist? A mystic or a communitarian? Or something else entirely? Here's a fun way to find out.

The philosophy of stoicism shares a lot in common with the best teachings of modern psychology. Here’s how to know if you ...

Scientists researching primates, called "primatologists," have learned a lot over the years about our closest evolutionary ...

We’re back for yet another round of thought-provoking science quiz! From chemistry and biology to physics and astronomy, ...

Test your science knowledge with this weekly news quiz! We’d love to hear from you! E-mail us at [email protected] to share your experience.

Test your science knowledge with this weekly news quiz! We’d love to hear from you! E-mail us at [email protected] to share your experience.

Based on our "Diagnostic Dilemma" series, this quiz tests your medical know-how.

Why did Earth shake for nine days? Which rich guy paid a fortune for a dinosaur? And did someone finally locate Amelia Earhart’s airplane? Test your memory of some of the stories that intrigued, ...

Outsmarting a 13-14 year old might be trickier than it seems…🤓From solving algebra equations to exploring world history, or ...

Dive into the fascinating crossroads of astronomy and astrology — where science meets symbolism, and the sky tells two very different stories. When you purchase through links on our site, we may earn ...

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