Explore the 25 strangest scientific theories ever proposed, from phlogiston to the hollow Earth. Discover how bizarre ideas ...

With a theatrical flourish, Cerrato whips off the cover to reveal not a watch but the Astrolab FLIP rover, a robotic test ...

Nearly every week, I see newspapers and magazines that seemed fine suddenly going out of business. Or a private equity fund buying up a chain of newspapers that had been serving communities for ...

CNN is honoring people who have shoved conventional wisdom aside and are shaping the world around us with their insights and innovations.

Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to ...