The Trump administration released new dietary guidelines on Wednesday, pushing Americans to prioritize protein and cut back ...

Egypt, third millennium b.c. The Great Pyramid of Giza is both the oldest of the Seven Wonders and the only one still standing. Built by the pharaoh Khufu (reigned ca. 2551–2528 b.c.) to serve as his ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

The White House unveiled new dietary guidelines Wednesday, with officials calling it the “most significant reset of federal ...

Ponzi and pyramid schemes both take advantage of unsuspecting individuals by promising extraordinary returns in exchange for their money. With Ponzi schemes, investors give money to a portfolio ...

This story appears in the January/February 2017 issue of National Geographic History magazine. Amelia Blanford Edwards was one of a stream of European travelers drawn to see the wonders of Egypt at ...

A team of Italian scientists stunned the world last March when they announced the discovery of a vast underground complex stretching nearly 3,500 feet beneath Egypt’s Giza Plateau, connecting chambers ...

U.S. News Insider Tip: Random people will most likely offer to photos of you "for free"–don't fall for it! It's a common scam. After taking lots of – often really bad – pictures, they'll pressure you ...

A majestic row of five circular pyramids known as yácatas dominates a promontory overlooking Lake Pátzcuaro in the western Mexican state of Michoacán. Embodying the former might of the Purépecha ...

Ground-penetrating radar has helped archeologists identify buried wonders below the surface. Now, a study from Japanese and Egyptian researchers reveals the discovery of an L-shaped structure along ...

Measuring—and delivering—what consumers really want by Eric Almquist, John Senior and Nicolas Bloch When customers evaluate a product or service, they weigh its perceived value against the asking ...

A team of Italian researchers stunned the globe last March when they announced the finding of a massive underground network stretching nearly 3,500 feet beneath Egypt's Giza Plateau, connecting ...