What is a Crystal Pyramid? A crystal pyramid is a crystal that occurs naturally and has taken the shape of a pyramid. Some examples are clear quartz, rose quartz, amethyst, citrine, green aventurine ...

Add Yahoo as a preferred source to see more of our stories on Google. There are a few things you learn quickly when you marry into a family like mine. One is that my mother-in-law is kooky in the best ...

Over the past 4,600 years, the Great Pyramid of Giza has weathered a dozen or so major earthquakes. Most recently, the 5.9 magnitude Cairo earthquake of 1992 dislodged some casing stones from the ...

The Great Pyramid of Giza in Egypt has survived more than 4,500 years. Earthquakes have repeatedly shaken the region, including the magnitude 5.8 Cairo earthquake in 1992, which dislodged some of the ...

The Great Pyramid of Giza, also known as the Khufu pyramid, is among the most famous wonders of the ancient world. It is also a wonder that the structure is still standing—given that it was erected ...

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A new study measuring vibration frequencies throughout the Great Pyramid revealed how it has been able to withstand severe seismic shocks. Seismologists analyzed vibrations in the various chambers of ...

A fresh mystery is unfolding inside Egypt’s pyramids. Researchers have discovered two hidden air-filled voids lurking behind the smooth eastern face of the Menkaure pyramid—an area long suspected to ...

TEOTIHUACAN, Mexico, April 22 (Reuters) - Mexico's ancient Teotihuacan archaeological site reopened on Wednesday under heavy security and with fewer tourists than usual, two days after a gunman killed ...

A Canadian tourist was shot and killed Monday while visiting the Teotihuacán pyramids in Mexico, according to local authorities. Mexico's security officials said a gunman opened fire at the popular ...

Footage of a gunman shooting at panicked tourists lying atop Mexico’s historic Pyramid of the Moon has renewed concerns about security in the country as it prepares to co-host millions of soccer fans ...