Evolution and human height: Mathematician calculates physical limits to how tall we can grow

The tallest man to ever live was Robert Wadlow, who reached a staggering 2.72m. That's equal to a very large male ostrich or Shaquille O'Neal with two bowling pins balanced on his head.

Making sense of the pyramids’ enduring mysteries

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the ...

The Parthenon in Athens briefly shed its scaffolding. Here's a look at its restoration

It was a rare sight on Athens’ skyline, and it didn’t last long: The Parthenon was without scaffolding for the first time in ...