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Almost everyone has heard of Tyrannosaurus rex, but how much do you actually know about this iconic dinosaur predator? Take ...

Modern research echoes Adler’s theses. In simple terms, siblings differentiate themselves to reduce direct competition. If ...

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

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 ...

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, ...

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 ...

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True or false questions sound easy - until they’re not.This quiz pulls facts from science, history, pop culture, math, and ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

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

Before you read the report, test your science knowledge by taking the interactive quiz. The short quiz tests your knowledge of questions recently asked in a national poll. After completing the quiz, ...