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

Do you think you've got decent science knowledge? It's time to put your gray matter to the test with our weekly, free science crossword puzzle. We've spent hours carefully writing our puzzles to make ...

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 ...

The weekend is here, and what better time to look back at the week in science news by testing your knowledge on what's happened on this planet and beyond. There is no time limit on the quiz, and if ...

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.

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 ...

This photo shows various minerals displaying ____________. Fill in the blank with the name of a phenomenon where they absorb ...

Dive into the fascinating crossroads of astronomy and astrology — where science meets symbolism, and the sky tells two very different stories. From ancient civilizations charting the stars to ...

The brightest Colorado high school minds compete against each other on all things science. The brightest high school minds travel from all corners of Colorado to compete against each other on all ...

From ancient philosophers pondering the stars to modern scientists scanning distant exoplanets, humanity has long asked one haunting question: Are we alone? The search for life beyond Earth is one of ...

1 / 6 | Name the nuclear fusion technology illustrated here, where laser beams blast a capsule, producing X-rays that compress a capsule (sphere) to fuse hydrogen nuclei.

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 ...