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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sun was setting ...

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Earlier this year, a group of researchers published a paper on the remarkable phenomenon of sex reversal in several Australian birds, including wild magpies and kookaburras. They’ve yet to discover ...

From the movement of stars to light streaming through stained-glass windows, light has long fascinated scientists and other thinkers. An exhibition at the Getty in Los Angeles explores how an emerging ...

At the Orlando Science Center, history and physics collide as catapults launch lessons in energy, engineering, and design. First Warning Meteorologist Marquise Meda joined Zach at the center to ...

When Kathleen Walker-Meikle, a historian at the University of Basel, in Switzerland, ponders the Middle Ages, her mind tends to drift not to religious conquest or Viking raids, but to squirrels. Tawny ...

King Arthur’s lasting renown is one for the books. But a statistical spotlight now shines on medieval European literature’s round table of lost and forgotten stories. An international team used a ...

To modern eyes, many medieval beliefs sound unbelievable — even absurd. Illness was blamed on sin, bad air, or demonic forces rather than bacteria. Bloodletting was prescribed as a cure for everything ...