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

Here's a spirit animal test that might actually reveal something true about your identity. Answer eight simple questions to ...

Test your knowledge on all things science with our weekly, free crossword puzzle! If you enjoyed this, see how quickly you can complete our most recent science crossword puzzle, updated every Monday.

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 ...

Quantum physics can be baffling but see how much you know in this quiz devised by Matin Durrani to mark the International ...

Emma R. Hasson is Scientific American’s Games ace and a Ph.D. candidate in mathematics at the City University of New York ...

Max Born made many contributions to quantum theory. This said, he was awarded the Nobel Prize for physics in 1954 for ...

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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 ...

What’s a cell? An organelle? A ganglion? An acromion? Eighth grade biology is gross anatomy and basic physiology. It’s systems, organs, and connecting the dots between what happens in your head and ...

AI firm OpenAI ($PC:OPAIQ), which is backed by tech giant Microsoft ($MSFT), has introduced a new benchmark called ...

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 ...