We are 13.7 billion light-years from the edge of the observable universe, That's a good estimate with well-defined error bars, Scientists say it's tr….

Romantics might like to think of themselves as being composed of stardust. Cynics might prefer to think of themselves as nuclear waste..

All that was required to measure the planet was a man with a stick and a brain. In other words, couple an intellect with some experimental apparatus ….

What seems certain is that Pythagoras developed the idea of mathematical logic. He realized that numbers exist independently of the tangible world an….