Physicists Have A Simple Answer For How Egyptians Built The Pyramids

The Great Pyramid of Giza is the last of the ancient world's "seven wonders." The 4,500-year-old structure was constructed from 2.4 million limestone blocks, most weighing around 2.5 tons. Today we're still debating how the Egyptians managed to move these blocks from local quarries. Now scientists have a new… » 8/27/14 3:20pm Wednesday 3:20pm

Secrets of the Manhattan Project Leaked 1500 Times During World War II

The World War II program to develop an atomic bomb was the largest secret project ever undertaken by the U.S. government. But newly-declassified documents reveal how it hard it was to keep things secret as the weapon neared completion. Information leaks were everywhere, even in church sermons. » 8/25/14 11:20am Monday 11:20am

Fata Morganas Make Fantastic Castles Appear Over the Ocean

In past centuries, sailors were sometimes surprised to see upside-down ships sailing in the sky, or elaborate castles built on the ocean. When they turned towards them, these apparitions vanished. The illusions, called The Fata Morgana, can still be seen today if the witches are in a mood the weather's right. » 8/05/14 10:28am 8/05/14 10:28am

Astronomers Happen Upon The Most Distant Lensing Galaxy Ever Discovered

Astronomers using the Hubble Space Telescope have spotted an elliptical galaxy 9.6-billion light years from Earth that is so colossal, its gravity bends and magnifies the light from a galaxy behind it. The rare alignment is the most distant example of a lensing galaxy ever discovered, and could yield insights into the… » 8/01/14 8:30am 8/01/14 8:30am