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 ...

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

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

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 ...

Test your knowledge of the secrets of snakes in this quiz. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Snakes are limbless reptiles that are ...

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 ...

Elementary school science is probably where you learned a lot of what you know about how the natural world works. Take this quiz to see how well you remember the basics! Geologists study the Earth and ...

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