The Pink Triangle is being raised once again on San Francisco's Twin Peaks. Meanwhile, the Pride flag was raised at City Hall by Mayor Daniel Lurie. SAN FRANCISCO (KGO) -- Pride Month in San Francisco ...

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 ...

The Pyramids of Giza were built to last for eternity, securing a safe passage to the afterlife for the souls of the pharaohs. To ensure that their divine gateways could infinitely withstand the mortal ...

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 ...

Abstract: Hand-eye calibration of line laser cameras (LLCs) is a prerequisite for accurate 3D measurement and reliable welding path execution in robotic welding systems. However, calibration methods ...

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 ...

Have they finally solved the ancient Egyptians’ pyramid scheme? Aliens might not have built the pyramids — but the ancient Egyptians might’ve had a pretty cool hack nonetheless. A cutting-edge 3D ...

Across ancient civilizations, pyramids appear in places that never contacted each other, from Egypt to the Americas. The reason is surprisingly simple. The pyramid shape is one of the strongest ways ...

The Transamerica Pyramid sold for $691 million last Friday, according to a news release shared with SFGATE this week by Cyprus-based investment firm Yoda PLC, the new owners of one of the most ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict a “three-sided pyramid” on ...