"Every time you shuffle a deck of cards, the chances are that exact order has never existed before in the history of the ...

Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.

All the “normal” matter, like the stars, gas, dust, and people, is called baryonic matter, and it’s basically the tiny visible fraction of a universe that’s mostly invisible and still not fully ...

As snow powers the Winter Olympics, you probably underestimate the simple snowflake. For starters, snow isn't technically white.

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...