Blue supergiant stars are hot, luminous stars that are larger than our sun (i.e., have more mass and larger radii), but smaller than red supergiant stars. They typically have surface temperatures ...

Cairo is often reduced to a single image, the Pyramids of Giza, but the reality on the ground is far richer, louder, and more layered than most travelers expect.

The pyramids at Giza are usually described as the ultimate building project, millions of blocks stacked skyward by sheer ...