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

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

Which of the earth's three layers is the hottest? What does a light-year measure? Who developed the polio vaccine? A just-released survey from the Pew Research Center finds Americans' grasp of common ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.

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

Test your knowledge of the influential figures in physics who paved the way for Newton's groundbreaking discoveries.

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, ...

How's your moon knowledge? Full, half, or total eclipse? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It's no surprise that throughout the ...

From ancient philosophers pondering the stars to modern scientists scanning distant exoplanets, humanity has long asked one haunting question: Are we alone? When you purchase through links on our site ...

Our science staff is trying to lead a more scientific life in 2018. Throughout the week, we’ll be questioning whether some of our favorite habits and hobbies are based on junk science or real evidence ...

Test your knowledge on travel health and ensure a safe, healthy holiday season with our engaging science quiz!