How do you find out if there’s a secret room hidden in an ancient pyramid? Not in the same way you’d discover hidden spaces in a home you’re remodeling—that is, by busting through walls. You’ve got to ...

What's the best way to get a statistically reliable sample of people who are hard to identify, such as illegal-drug users in large cities, itinerant jazz musicians, aging Manhattan artists and ...

Scientists have harnessed sophisticated scanning technology to discover a mysterious chamber inside Egypt’s Great Pyramid of Giza. The discovery, which was revealed in the journal Nature, has been ...

The internal structure of an ancient Egyptian pyramid was revealed for the first time using cosmic particles, a team of international researchers reports. The innovative technology was applied to the ...